• LuBo LSSU Die Spring (Super High Deflection, Sky Blue)
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LuBo LSSU Die Spring (Super High Deflection, Sky Blue)

LuBo LSSU Die Spring (Super High Deflection, Sky Blue)

LuBo LSSU is a super high deflection rectangular-wire coil die spring, colour-coded sky blue, for press dies and moulds. Codes give outer diameter x free length in mm.

Key features

  • Colour-coded sky blue for super high deflection identification
  • Rated deflection 60% of free length for 300,000 cycles
  • Outer diameter 10.5-43 mm, free length 15-300 mm
  • Catalogue also lists deflection for 500,000 and 1,000,000 cycles
  • Ordered by product code, outer diameter and free length

Specifications

Series LSSU
Load class Super High Deflection (Sky Blue)
Max deflection (300,000 cycles) 60% of free length
Load tolerance +/-10%
Squareness 2 deg or less
Free length tolerance +/-0.5 mm (50 mm or less), +/-1% (55 mm or more)
Order format LSSU - D x L (e.g. LSSU 37X250)
Lead time 1 day (catalogue)
Source LuBo Springs catalogue (Super High Deflection)
LSSU 10.5X15 OD: 10.5 mm | ID: 6 mm | Free length: 15 mm | Spring rate: 0.78 kgf/mm | Max deflection: 9 mm
LSSU 10.5X20 OD: 10.5 mm | ID: 6 mm | Free length: 20 mm | Spring rate: 0.58 kgf/mm | Max deflection: 12 mm
LSSU 10.5X25 OD: 10.5 mm | ID: 6 mm | Free length: 25 mm | Spring rate: 0.47 kgf/mm | Max deflection: 15 mm
LSSU 10.5X30 OD: 10.5 mm | ID: 6 mm | Free length: 30 mm | Spring rate: 0.39 kgf/mm | Max deflection: 18 mm
LSSU 10.5X35 OD: 10.5 mm | ID: 6 mm | Free length: 35 mm | Spring rate: 0.33 kgf/mm | Max deflection: 21 mm
LSSU 10.5X40 OD: 10.5 mm | ID: 6 mm | Free length: 40 mm | Spring rate: 0.29 kgf/mm | Max deflection: 24 mm
LSSU 10.5X45 OD: 10.5 mm | ID: 6 mm | Free length: 45 mm | Spring rate: 0.26 kgf/mm | Max deflection: 27 mm
LSSU 10.5X50 OD: 10.5 mm | ID: 6 mm | Free length: 50 mm | Spring rate: 0.23 kgf/mm | Max deflection: 30 mm
LSSU 10.5X55 OD: 10.5 mm | ID: 6 mm | Free length: 55 mm | Spring rate: 0.214 kgf/mm | Max deflection: 33 mm
LSSU 10.5X60 OD: 10.5 mm | ID: 6 mm | Free length: 60 mm | Spring rate: 0.19 kgf/mm | Max deflection: 36 mm
LSSU 10.5X65 OD: 10.5 mm | ID: 6 mm | Free length: 65 mm | Spring rate: 0.18 kgf/mm | Max deflection: 39 mm
LSSU 10.5X70 OD: 10.5 mm | ID: 6 mm | Free length: 70 mm | Spring rate: 0.17 kgf/mm | Max deflection: 42 mm
LSSU 10.5X75 OD: 10.5 mm | ID: 6 mm | Free length: 75 mm | Spring rate: 0.16 kgf/mm | Max deflection: 45 mm
LSSU 10.5X80 OD: 10.5 mm | ID: 6 mm | Free length: 80 mm | Spring rate: 0.15 kgf/mm | Max deflection: 48 mm
LSSU 12.5X15 OD: 12.5 mm | ID: 7 mm | Free length: 15 mm | Spring rate: 0.89 kgf/mm | Max deflection: 9 mm
LSSU 12.5X20 OD: 12.5 mm | ID: 7 mm | Free length: 20 mm | Spring rate: 0.67 kgf/mm | Max deflection: 12 mm
LSSU 12.5X25 OD: 12.5 mm | ID: 7 mm | Free length: 25 mm | Spring rate: 0.53 kgf/mm | Max deflection: 15 mm
LSSU 12.5X30 OD: 12.5 mm | ID: 7 mm | Free length: 30 mm | Spring rate: 0.44 kgf/mm | Max deflection: 18 mm
LSSU 12.5X35 OD: 12.5 mm | ID: 7 mm | Free length: 35 mm | Spring rate: 0.38 kgf/mm | Max deflection: 21 mm
LSSU 12.5X40 OD: 12.5 mm | ID: 7 mm | Free length: 40 mm | Spring rate: 0.33 kgf/mm | Max deflection: 24 mm
LSSU 12.5X45 OD: 12.5 mm | ID: 7 mm | Free length: 45 mm | Spring rate: 0.30 kgf/mm | Max deflection: 27 mm
LSSU 12.5X50 OD: 12.5 mm | ID: 7 mm | Free length: 50 mm | Spring rate: 0.27 kgf/mm | Max deflection: 30 mm
LSSU 12.5X55 OD: 12.5 mm | ID: 7 mm | Free length: 55 mm | Spring rate: 0.24 kgf/mm | Max deflection: 33 mm
LSSU 12.5X60 OD: 12.5 mm | ID: 7 mm | Free length: 60 mm | Spring rate: 0.22 kgf/mm | Max deflection: 36 mm
LSSU 12.5X65 OD: 12.5 mm | ID: 7 mm | Free length: 65 mm | Spring rate: 0.20 kgf/mm | Max deflection: 39 mm
LSSU 12.5X70 OD: 12.5 mm | ID: 7 mm | Free length: 70 mm | Spring rate: 0.19 kgf/mm | Max deflection: 42 mm
LSSU 12.5X75 OD: 12.5 mm | ID: 7 mm | Free length: 75 mm | Spring rate: 0.18 kgf/mm | Max deflection: 45 mm
LSSU 12.5X80 OD: 12.5 mm | ID: 7 mm | Free length: 80 mm | Spring rate: 0.17 kgf/mm | Max deflection: 48 mm
LSSU 12.5X90 OD: 12.5 mm | ID: 7 mm | Free length: 90 mm | Spring rate: 0.15 kgf/mm | Max deflection: 54 mm
LSSU 12.5X100 OD: 12.5 mm | ID: 7 mm | Free length: 100 mm | Spring rate: 0.13 kgf/mm | Max deflection: 60 mm
LSSU 14.5X15 OD: 14.5 mm | ID: 8.5 mm | Free length: 15 mm | Spring rate: 1.14 kgf/mm | Max deflection: 9 mm
LSSU 14.5X20 OD: 14.5 mm | ID: 8.5 mm | Free length: 20 mm | Spring rate: 0.83 kgf/mm | Max deflection: 12 mm
LSSU 14.5X25 OD: 14.5 mm | ID: 8.5 mm | Free length: 25 mm | Spring rate: 0.67 kgf/mm | Max deflection: 15 mm
LSSU 14.5X30 OD: 14.5 mm | ID: 8.5 mm | Free length: 30 mm | Spring rate: 0.56 kgf/mm | Max deflection: 18 mm
LSSU 14.5X35 OD: 14.5 mm | ID: 8.5 mm | Free length: 35 mm | Spring rate: 0.48 kgf/mm | Max deflection: 21 mm
LSSU 14.5X40 OD: 14.5 mm | ID: 8.5 mm | Free length: 40 mm | Spring rate: 0.42 kgf/mm | Max deflection: 24 mm
LSSU 14.5X45 OD: 14.5 mm | ID: 8.5 mm | Free length: 45 mm | Spring rate: 0.37 kgf/mm | Max deflection: 27 mm
LSSU 14.5X50 OD: 14.5 mm | ID: 8.5 mm | Free length: 50 mm | Spring rate: 0.33 kgf/mm | Max deflection: 30 mm
LSSU 14.5X55 OD: 14.5 mm | ID: 8.5 mm | Free length: 55 mm | Spring rate: 0.30 kgf/mm | Max deflection: 33 mm
LSSU 14.5X60 OD: 14.5 mm | ID: 8.5 mm | Free length: 60 mm | Spring rate: 0.28 kgf/mm | Max deflection: 36 mm
LSSU 14.5X65 OD: 14.5 mm | ID: 8.5 mm | Free length: 65 mm | Spring rate: 0.26 kgf/mm | Max deflection: 39 mm
LSSU 14.5X70 OD: 14.5 mm | ID: 8.5 mm | Free length: 70 mm | Spring rate: 0.24 kgf/mm | Max deflection: 42 mm
LSSU 14.5X75 OD: 14.5 mm | ID: 8.5 mm | Free length: 75 mm | Spring rate: 0.22 kgf/mm | Max deflection: 45 mm
LSSU 14.5X80 OD: 14.5 mm | ID: 8.5 mm | Free length: 80 mm | Spring rate: 0.21 kgf/mm | Max deflection: 48 mm
LSSU 14.5X90 OD: 14.5 mm | ID: 8.5 mm | Free length: 90 mm | Spring rate: 0.19 kgf/mm | Max deflection: 54 mm
LSSU 14.5X100 OD: 14.5 mm | ID: 8.5 mm | Free length: 100 mm | Spring rate: 0.17 kgf/mm | Max deflection: 60 mm
LSSU 14.5X110 OD: 14.5 mm | ID: 8.5 mm | Free length: 110 mm | Spring rate: 0.15 kgf/mm | Max deflection: 66 mm
LSSU 14.5X120 OD: 14.5 mm | ID: 8.5 mm | Free length: 120 mm | Spring rate: 0.14 kgf/mm | Max deflection: 72 mm
LSSU 14.5X125 OD: 14.5 mm | ID: 8.5 mm | Free length: 125 mm | Spring rate: 0.13 kgf/mm | Max deflection: 75 mm
LSSU 14.5X150 OD: 14.5 mm | ID: 8.5 mm | Free length: 150 mm | Spring rate: 0.11 kgf/mm | Max deflection: 90 mm
LSSU 37X40 OD: 37 mm | ID: 26 mm | Free length: 40 mm | Spring rate: 1.96 kgf/mm | Max deflection: 24 mm
LSSU 37X45 OD: 37 mm | ID: 26 mm | Free length: 45 mm | Spring rate: 1.74 kgf/mm | Max deflection: 27 mm
LSSU 37X50 OD: 37 mm | ID: 26 mm | Free length: 50 mm | Spring rate: 1.57 kgf/mm | Max deflection: 30 mm
LSSU 37X55 OD: 37 mm | ID: 26 mm | Free length: 55 mm | Spring rate: 1.42 kgf/mm | Max deflection: 33 mm
LSSU 37X60 OD: 37 mm | ID: 26 mm | Free length: 60 mm | Spring rate: 1.31 kgf/mm | Max deflection: 36 mm
LSSU 37X65 OD: 37 mm | ID: 26 mm | Free length: 65 mm | Spring rate: 1.24 kgf/mm | Max deflection: 39 mm
LSSU 37X70 OD: 37 mm | ID: 26 mm | Free length: 70 mm | Spring rate: 1.12 kgf/mm | Max deflection: 42 mm
LSSU 37X75 OD: 37 mm | ID: 26 mm | Free length: 75 mm | Spring rate: 1.04 kgf/mm | Max deflection: 45 mm
LSSU 37X80 OD: 37 mm | ID: 26 mm | Free length: 80 mm | Spring rate: 0.98 kgf/mm | Max deflection: 48 mm
LSSU 37X90 OD: 37 mm | ID: 26 mm | Free length: 90 mm | Spring rate: 0.87 kgf/mm | Max deflection: 54 mm
LSSU 37X100 OD: 37 mm | ID: 26 mm | Free length: 100 mm | Spring rate: 0.78 kgf/mm | Max deflection: 60 mm
LSSU 37X110 OD: 37 mm | ID: 26 mm | Free length: 110 mm | Spring rate: 0.71 kgf/mm | Max deflection: 66 mm
LSSU 37X120 OD: 37 mm | ID: 26 mm | Free length: 120 mm | Spring rate: 0.65 kgf/mm | Max deflection: 72 mm
LSSU 37X130 OD: 37 mm | ID: 26 mm | Free length: 130 mm | Spring rate: 0.60 kgf/mm | Max deflection: 78 mm
LSSU 37X140 OD: 37 mm | ID: 26 mm | Free length: 140 mm | Spring rate: 0.56 kgf/mm | Max deflection: 84 mm
LSSU 37X150 OD: 37 mm | ID: 26 mm | Free length: 150 mm | Spring rate: 0.52 kgf/mm | Max deflection: 90 mm
LSSU 37X160 OD: 37 mm | ID: 26 mm | Free length: 160 mm | Spring rate: 0.49 kgf/mm | Max deflection: 96 mm
LSSU 37X170 OD: 37 mm | ID: 26 mm | Free length: 170 mm | Spring rate: 0.46 kgf/mm | Max deflection: 102 mm
LSSU 37X180 OD: 37 mm | ID: 26 mm | Free length: 180 mm | Spring rate: 0.44 kgf/mm | Max deflection: 108 mm
LSSU 37X190 OD: 37 mm | ID: 26 mm | Free length: 190 mm | Spring rate: 0.41 kgf/mm | Max deflection: 114 mm
LSSU 37X200 OD: 37 mm | ID: 26 mm | Free length: 200 mm | Spring rate: 0.39 kgf/mm | Max deflection: 120 mm
LSSU 37X225 OD: 37 mm | ID: 26 mm | Free length: 225 mm | Spring rate: 0.35 kgf/mm | Max deflection: 135 mm
LSSU 37X250 OD: 37 mm | ID: 26 mm | Free length: 250 mm | Spring rate: 0.31 kgf/mm | Max deflection: 150 mm
LSSU 37X275 OD: 37 mm | ID: 26 mm | Free length: 275 mm | Spring rate: 0.28 kgf/mm | Max deflection: 165 mm
LSSU 37X300 OD: 37 mm | ID: 26 mm | Free length: 300 mm | Spring rate: 0.26 kgf/mm | Max deflection: 180 mm
LSSU 43X50 OD: 43 mm | ID: 31 mm | Free length: 50 mm | Spring rate: 2.00 kgf/mm | Max deflection: 30 mm
LSSU 43X60 OD: 43 mm | ID: 31 mm | Free length: 60 mm | Spring rate: 1.67 kgf/mm | Max deflection: 36 mm
LSSU 43X70 OD: 43 mm | ID: 31 mm | Free length: 70 mm | Spring rate: 1.43 kgf/mm | Max deflection: 42 mm
LSSU 43X80 OD: 43 mm | ID: 31 mm | Free length: 80 mm | Spring rate: 1.25 kgf/mm | Max deflection: 48 mm
LSSU 43X90 OD: 43 mm | ID: 31 mm | Free length: 90 mm | Spring rate: 1.14 kgf/mm | Max deflection: 54 mm
LSSU 43X100 OD: 43 mm | ID: 31 mm | Free length: 100 mm | Spring rate: 1.00 kgf/mm | Max deflection: 60 mm
LSSU 43X110 OD: 43 mm | ID: 31 mm | Free length: 110 mm | Spring rate: 0.91 kgf/mm | Max deflection: 66 mm
LSSU 43X120 OD: 43 mm | ID: 31 mm | Free length: 120 mm | Spring rate: 0.83 kgf/mm | Max deflection: 72 mm
LSSU 43X130 OD: 43 mm | ID: 31 mm | Free length: 130 mm | Spring rate: 0.77 kgf/mm | Max deflection: 78 mm
LSSU 43X140 OD: 43 mm | ID: 31 mm | Free length: 140 mm | Spring rate: 0.71 kgf/mm | Max deflection: 84 mm
LSSU 43X150 OD: 43 mm | ID: 31 mm | Free length: 150 mm | Spring rate: 0.67 kgf/mm | Max deflection: 90 mm
LSSU 43X160 OD: 43 mm | ID: 31 mm | Free length: 160 mm | Spring rate: 0.63 kgf/mm | Max deflection: 96 mm
LSSU 43X170 OD: 43 mm | ID: 31 mm | Free length: 170 mm | Spring rate: 0.59 kgf/mm | Max deflection: 102 mm
LSSU 43X180 OD: 43 mm | ID: 31 mm | Free length: 180 mm | Spring rate: 0.56 kgf/mm | Max deflection: 108 mm
LSSU 43X190 OD: 43 mm | ID: 31 mm | Free length: 190 mm | Spring rate: 0.53 kgf/mm | Max deflection: 114 mm
LSSU 43X200 OD: 43 mm | ID: 31 mm | Free length: 200 mm | Spring rate: 0.50 kgf/mm | Max deflection: 120 mm
LSSU 43X225 OD: 43 mm | ID: 31 mm | Free length: 225 mm | Spring rate: 0.44 kgf/mm | Max deflection: 135 mm
LSSU 43X250 OD: 43 mm | ID: 31 mm | Free length: 250 mm | Spring rate: 0.40 kgf/mm | Max deflection: 150 mm
LSSU 43X275 OD: 43 mm | ID: 31 mm | Free length: 275 mm | Spring rate: 0.36 kgf/mm | Max deflection: 165 mm
LSSU 43X300 OD: 43 mm | ID: 31 mm | Free length: 300 mm | Spring rate: 0.33 kgf/mm | Max deflection: 180 mm
LSSU 26X30 OD: 26 mm | ID: 16.5 mm | Free length: 30 mm | Spring rate: 1.67 kgf/mm | Max deflection: 18 mm
LSSU 26X35 OD: 26 mm | ID: 16.5 mm | Free length: 35 mm | Spring rate: 1.43 kgf/mm | Max deflection: 21 mm
LSSU 26X40 OD: 26 mm | ID: 16.5 mm | Free length: 40 mm | Spring rate: 1.25 kgf/mm | Max deflection: 24 mm
LSSU 26X45 OD: 26 mm | ID: 16.5 mm | Free length: 45 mm | Spring rate: 1.14 kgf/mm | Max deflection: 27 mm
LSSU 26X50 OD: 26 mm | ID: 16.5 mm | Free length: 50 mm | Spring rate: 1.00 kgf/mm | Max deflection: 30 mm
LSSU 26X55 OD: 26 mm | ID: 16.5 mm | Free length: 55 mm | Spring rate: 0.91 kgf/mm | Max deflection: 33 mm
LSSU 26X60 OD: 26 mm | ID: 16.5 mm | Free length: 60 mm | Spring rate: 0.83 kgf/mm | Max deflection: 36 mm
LSSU 26X65 OD: 26 mm | ID: 16.5 mm | Free length: 65 mm | Spring rate: 0.77 kgf/mm | Max deflection: 39 mm
LSSU 26X70 OD: 26 mm | ID: 16.5 mm | Free length: 70 mm | Spring rate: 0.71 kgf/mm | Max deflection: 42 mm
LSSU 26X75 OD: 26 mm | ID: 16.5 mm | Free length: 75 mm | Spring rate: 0.67 kgf/mm | Max deflection: 45 mm
LSSU 26X80 OD: 26 mm | ID: 16.5 mm | Free length: 80 mm | Spring rate: 0.63 kgf/mm | Max deflection: 48 mm
LSSU 26X90 OD: 26 mm | ID: 16.5 mm | Free length: 90 mm | Spring rate: 0.56 kgf/mm | Max deflection: 54 mm
LSSU 26X100 OD: 26 mm | ID: 16.5 mm | Free length: 100 mm | Spring rate: 0.50 kgf/mm | Max deflection: 60 mm
LSSU 26X110 OD: 26 mm | ID: 16.5 mm | Free length: 110 mm | Spring rate: 0.45 kgf/mm | Max deflection: 66 mm
LSSU 26X120 OD: 26 mm | ID: 16.5 mm | Free length: 120 mm | Spring rate: 0.42 kgf/mm | Max deflection: 72 mm
LSSU 26X125 OD: 26 mm | ID: 16.5 mm | Free length: 125 mm | Spring rate: 0.40 kgf/mm | Max deflection: 75 mm
LSSU 26X130 OD: 26 mm | ID: 16.5 mm | Free length: 130 mm | Spring rate: 0.38 kgf/mm | Max deflection: 78 mm
LSSU 26X140 OD: 26 mm | ID: 16.5 mm | Free length: 140 mm | Spring rate: 0.36 kgf/mm | Max deflection: 84 mm
LSSU 26X150 OD: 26 mm | ID: 16.5 mm | Free length: 150 mm | Spring rate: 0.33 kgf/mm | Max deflection: 90 mm
LSSU 26X175 OD: 26 mm | ID: 16.5 mm | Free length: 175 mm | Spring rate: 0.29 kgf/mm | Max deflection: 105 mm
LSSU 26X200 OD: 26 mm | ID: 16.5 mm | Free length: 200 mm | Spring rate: 0.25 kgf/mm | Max deflection: 120 mm
LSSU 26X225 OD: 26 mm | ID: 16.5 mm | Free length: 225 mm | Spring rate: 0.22 kgf/mm | Max deflection: 135 mm
LSSU 26X250 OD: 26 mm | ID: 16.5 mm | Free length: 250 mm | Spring rate: 0.20 kgf/mm | Max deflection: 150 mm
LSSU 31X35 OD: 31 mm | ID: 21 mm | Free length: 35 mm | Spring rate: 1.81 kgf/mm | Max deflection: 21 mm
LSSU 31X40 OD: 31 mm | ID: 21 mm | Free length: 40 mm | Spring rate: 1.58 kgf/mm | Max deflection: 24 mm
LSSU 31X45 OD: 31 mm | ID: 21 mm | Free length: 45 mm | Spring rate: 1.44 kgf/mm | Max deflection: 27 mm
LSSU 31X50 OD: 31 mm | ID: 21 mm | Free length: 50 mm | Spring rate: 1.27 kgf/mm | Max deflection: 30 mm
LSSU 31X55 OD: 31 mm | ID: 21 mm | Free length: 55 mm | Spring rate: 1.5 kgf/mm | Max deflection: 33 mm
LSSU 31X60 OD: 31 mm | ID: 21 mm | Free length: 60 mm | Spring rate: 1.06 kgf/mm | Max deflection: 36 mm
LSSU 31X65 OD: 31 mm | ID: 21 mm | Free length: 65 mm | Spring rate: 0.97 kgf/mm | Max deflection: 39 mm
LSSU 31X70 OD: 31 mm | ID: 21 mm | Free length: 70 mm | Spring rate: 0.90 kgf/mm | Max deflection: 42 mm
LSSU 31X75 OD: 31 mm | ID: 21 mm | Free length: 75 mm | Spring rate: 0.84 kgf/mm | Max deflection: 45 mm
LSSU 31X80 OD: 31 mm | ID: 21 mm | Free length: 80 mm | Spring rate: 0.79 kgf/mm | Max deflection: 48 mm
LSSU 31X90 OD: 31 mm | ID: 21 mm | Free length: 90 mm | Spring rate: 0.70 kgf/mm | Max deflection: 54 mm
LSSU 31X100 OD: 31 mm | ID: 21 mm | Free length: 100 mm | Spring rate: 0.63 kgf/mm | Max deflection: 60 mm
LSSU 31X110 OD: 31 mm | ID: 21 mm | Free length: 110 mm | Spring rate: 0.58 kgf/mm | Max deflection: 66 mm
LSSU 31X120 OD: 31 mm | ID: 21 mm | Free length: 120 mm | Spring rate: 0.53 kgf/mm | Max deflection: 72 mm
LSSU 31X125 OD: 31 mm | ID: 21 mm | Free length: 125 mm | Spring rate: 0.51 kgf/mm | Max deflection: 75 mm
LSSU 31X130 OD: 31 mm | ID: 21 mm | Free length: 130 mm | Spring rate: 0.49 kgf/mm | Max deflection: 78 mm
LSSU 31X140 OD: 31 mm | ID: 21 mm | Free length: 140 mm | Spring rate: 0.45 kgf/mm | Max deflection: 84 mm
LSSU 31X150 OD: 31 mm | ID: 21 mm | Free length: 150 mm | Spring rate: 0.42 kgf/mm | Max deflection: 90 mm
LSSU 31X160 OD: 31 mm | ID: 21 mm | Free length: 160 mm | Spring rate: 0.40 kgf/mm | Max deflection: 96 mm
LSSU 31X170 OD: 31 mm | ID: 21 mm | Free length: 170 mm | Spring rate: 0.37 kgf/mm | Max deflection: 102 mm
LSSU 31X175 OD: 31 mm | ID: 21 mm | Free length: 175 mm | Spring rate: 0.36 kgf/mm | Max deflection: 105 mm
LSSU 31X180 OD: 31 mm | ID: 21 mm | Free length: 180 mm | Spring rate: 0.35 kgf/mm | Max deflection: 108 mm
LSSU 31X190 OD: 31 mm | ID: 21 mm | Free length: 190 mm | Spring rate: 0.33 kgf/mm | Max deflection: 114 mm
LSSU 31X200 OD: 31 mm | ID: 21 mm | Free length: 200 mm | Spring rate: 0.32 kgf/mm | Max deflection: 120 mm
LSSU 31X250 OD: 31 mm | ID: 21 mm | Free length: 250 mm | Spring rate: 0.25 kgf/mm | Max deflection: 150 mm
LSSU 31X300 OD: 31 mm | ID: 21 mm | Free length: 300 mm | Spring rate: 0.21 kgf/mm | Max deflection: 180 mm
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LuBo LSSU Die Spring (Super High Deflection, Sky Blue)

Brand LuBo·Die Spring

Available part numbers (144)

LSSU 10.5X15, LSSU 10.5X20, LSSU 10.5X25, LSSU 10.5X30, LSSU 10.5X35, LSSU 10.5X40, LSSU 10.5X45, LSSU 10.5X50, LSSU 10.5X55, LSSU 10.5X60 + 134 more — see full table ↓

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Product codes & specifications
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Product codeSpec
LSSU 10.5X15OD: 10.5 mm | ID: 6 mm | Free length: 15 mm | Spring rate: 0.78 kgf/mm | Max deflection: 9 mm
LSSU 10.5X20OD: 10.5 mm | ID: 6 mm | Free length: 20 mm | Spring rate: 0.58 kgf/mm | Max deflection: 12 mm
LSSU 10.5X25OD: 10.5 mm | ID: 6 mm | Free length: 25 mm | Spring rate: 0.47 kgf/mm | Max deflection: 15 mm
LSSU 10.5X30OD: 10.5 mm | ID: 6 mm | Free length: 30 mm | Spring rate: 0.39 kgf/mm | Max deflection: 18 mm
LSSU 10.5X35OD: 10.5 mm | ID: 6 mm | Free length: 35 mm | Spring rate: 0.33 kgf/mm | Max deflection: 21 mm
LSSU 10.5X40OD: 10.5 mm | ID: 6 mm | Free length: 40 mm | Spring rate: 0.29 kgf/mm | Max deflection: 24 mm
LSSU 10.5X45OD: 10.5 mm | ID: 6 mm | Free length: 45 mm | Spring rate: 0.26 kgf/mm | Max deflection: 27 mm
LSSU 10.5X50OD: 10.5 mm | ID: 6 mm | Free length: 50 mm | Spring rate: 0.23 kgf/mm | Max deflection: 30 mm
LSSU 10.5X55OD: 10.5 mm | ID: 6 mm | Free length: 55 mm | Spring rate: 0.214 kgf/mm | Max deflection: 33 mm
LSSU 10.5X60OD: 10.5 mm | ID: 6 mm | Free length: 60 mm | Spring rate: 0.19 kgf/mm | Max deflection: 36 mm
LSSU 10.5X65OD: 10.5 mm | ID: 6 mm | Free length: 65 mm | Spring rate: 0.18 kgf/mm | Max deflection: 39 mm
LSSU 10.5X70OD: 10.5 mm | ID: 6 mm | Free length: 70 mm | Spring rate: 0.17 kgf/mm | Max deflection: 42 mm
LSSU 10.5X75OD: 10.5 mm | ID: 6 mm | Free length: 75 mm | Spring rate: 0.16 kgf/mm | Max deflection: 45 mm
LSSU 10.5X80OD: 10.5 mm | ID: 6 mm | Free length: 80 mm | Spring rate: 0.15 kgf/mm | Max deflection: 48 mm
LSSU 12.5X15OD: 12.5 mm | ID: 7 mm | Free length: 15 mm | Spring rate: 0.89 kgf/mm | Max deflection: 9 mm
LSSU 12.5X20OD: 12.5 mm | ID: 7 mm | Free length: 20 mm | Spring rate: 0.67 kgf/mm | Max deflection: 12 mm
LSSU 12.5X25OD: 12.5 mm | ID: 7 mm | Free length: 25 mm | Spring rate: 0.53 kgf/mm | Max deflection: 15 mm
LSSU 12.5X30OD: 12.5 mm | ID: 7 mm | Free length: 30 mm | Spring rate: 0.44 kgf/mm | Max deflection: 18 mm
LSSU 12.5X35OD: 12.5 mm | ID: 7 mm | Free length: 35 mm | Spring rate: 0.38 kgf/mm | Max deflection: 21 mm
LSSU 12.5X40OD: 12.5 mm | ID: 7 mm | Free length: 40 mm | Spring rate: 0.33 kgf/mm | Max deflection: 24 mm
LSSU 12.5X45OD: 12.5 mm | ID: 7 mm | Free length: 45 mm | Spring rate: 0.30 kgf/mm | Max deflection: 27 mm
LSSU 12.5X50OD: 12.5 mm | ID: 7 mm | Free length: 50 mm | Spring rate: 0.27 kgf/mm | Max deflection: 30 mm
LSSU 12.5X55OD: 12.5 mm | ID: 7 mm | Free length: 55 mm | Spring rate: 0.24 kgf/mm | Max deflection: 33 mm
LSSU 12.5X60OD: 12.5 mm | ID: 7 mm | Free length: 60 mm | Spring rate: 0.22 kgf/mm | Max deflection: 36 mm
LSSU 12.5X65OD: 12.5 mm | ID: 7 mm | Free length: 65 mm | Spring rate: 0.20 kgf/mm | Max deflection: 39 mm
LSSU 12.5X70OD: 12.5 mm | ID: 7 mm | Free length: 70 mm | Spring rate: 0.19 kgf/mm | Max deflection: 42 mm
LSSU 12.5X75OD: 12.5 mm | ID: 7 mm | Free length: 75 mm | Spring rate: 0.18 kgf/mm | Max deflection: 45 mm
LSSU 12.5X80OD: 12.5 mm | ID: 7 mm | Free length: 80 mm | Spring rate: 0.17 kgf/mm | Max deflection: 48 mm
LSSU 12.5X90OD: 12.5 mm | ID: 7 mm | Free length: 90 mm | Spring rate: 0.15 kgf/mm | Max deflection: 54 mm
LSSU 12.5X100OD: 12.5 mm | ID: 7 mm | Free length: 100 mm | Spring rate: 0.13 kgf/mm | Max deflection: 60 mm
LSSU 14.5X15OD: 14.5 mm | ID: 8.5 mm | Free length: 15 mm | Spring rate: 1.14 kgf/mm | Max deflection: 9 mm
LSSU 14.5X20OD: 14.5 mm | ID: 8.5 mm | Free length: 20 mm | Spring rate: 0.83 kgf/mm | Max deflection: 12 mm
LSSU 14.5X25OD: 14.5 mm | ID: 8.5 mm | Free length: 25 mm | Spring rate: 0.67 kgf/mm | Max deflection: 15 mm
LSSU 14.5X30OD: 14.5 mm | ID: 8.5 mm | Free length: 30 mm | Spring rate: 0.56 kgf/mm | Max deflection: 18 mm
LSSU 14.5X35OD: 14.5 mm | ID: 8.5 mm | Free length: 35 mm | Spring rate: 0.48 kgf/mm | Max deflection: 21 mm
LSSU 14.5X40OD: 14.5 mm | ID: 8.5 mm | Free length: 40 mm | Spring rate: 0.42 kgf/mm | Max deflection: 24 mm
LSSU 14.5X45OD: 14.5 mm | ID: 8.5 mm | Free length: 45 mm | Spring rate: 0.37 kgf/mm | Max deflection: 27 mm
LSSU 14.5X50OD: 14.5 mm | ID: 8.5 mm | Free length: 50 mm | Spring rate: 0.33 kgf/mm | Max deflection: 30 mm
LSSU 14.5X55OD: 14.5 mm | ID: 8.5 mm | Free length: 55 mm | Spring rate: 0.30 kgf/mm | Max deflection: 33 mm
LSSU 14.5X60OD: 14.5 mm | ID: 8.5 mm | Free length: 60 mm | Spring rate: 0.28 kgf/mm | Max deflection: 36 mm
LSSU 14.5X65OD: 14.5 mm | ID: 8.5 mm | Free length: 65 mm | Spring rate: 0.26 kgf/mm | Max deflection: 39 mm
LSSU 14.5X70OD: 14.5 mm | ID: 8.5 mm | Free length: 70 mm | Spring rate: 0.24 kgf/mm | Max deflection: 42 mm
LSSU 14.5X75OD: 14.5 mm | ID: 8.5 mm | Free length: 75 mm | Spring rate: 0.22 kgf/mm | Max deflection: 45 mm
LSSU 14.5X80OD: 14.5 mm | ID: 8.5 mm | Free length: 80 mm | Spring rate: 0.21 kgf/mm | Max deflection: 48 mm
LSSU 14.5X90OD: 14.5 mm | ID: 8.5 mm | Free length: 90 mm | Spring rate: 0.19 kgf/mm | Max deflection: 54 mm
LSSU 14.5X100OD: 14.5 mm | ID: 8.5 mm | Free length: 100 mm | Spring rate: 0.17 kgf/mm | Max deflection: 60 mm
LSSU 14.5X110OD: 14.5 mm | ID: 8.5 mm | Free length: 110 mm | Spring rate: 0.15 kgf/mm | Max deflection: 66 mm
LSSU 14.5X120OD: 14.5 mm | ID: 8.5 mm | Free length: 120 mm | Spring rate: 0.14 kgf/mm | Max deflection: 72 mm
LSSU 14.5X125OD: 14.5 mm | ID: 8.5 mm | Free length: 125 mm | Spring rate: 0.13 kgf/mm | Max deflection: 75 mm
LSSU 14.5X150OD: 14.5 mm | ID: 8.5 mm | Free length: 150 mm | Spring rate: 0.11 kgf/mm | Max deflection: 90 mm
LSSU 37X40OD: 37 mm | ID: 26 mm | Free length: 40 mm | Spring rate: 1.96 kgf/mm | Max deflection: 24 mm
LSSU 37X45OD: 37 mm | ID: 26 mm | Free length: 45 mm | Spring rate: 1.74 kgf/mm | Max deflection: 27 mm
LSSU 37X50OD: 37 mm | ID: 26 mm | Free length: 50 mm | Spring rate: 1.57 kgf/mm | Max deflection: 30 mm
LSSU 37X55OD: 37 mm | ID: 26 mm | Free length: 55 mm | Spring rate: 1.42 kgf/mm | Max deflection: 33 mm
LSSU 37X60OD: 37 mm | ID: 26 mm | Free length: 60 mm | Spring rate: 1.31 kgf/mm | Max deflection: 36 mm
LSSU 37X65OD: 37 mm | ID: 26 mm | Free length: 65 mm | Spring rate: 1.24 kgf/mm | Max deflection: 39 mm
LSSU 37X70OD: 37 mm | ID: 26 mm | Free length: 70 mm | Spring rate: 1.12 kgf/mm | Max deflection: 42 mm
LSSU 37X75OD: 37 mm | ID: 26 mm | Free length: 75 mm | Spring rate: 1.04 kgf/mm | Max deflection: 45 mm
LSSU 37X80OD: 37 mm | ID: 26 mm | Free length: 80 mm | Spring rate: 0.98 kgf/mm | Max deflection: 48 mm
LSSU 37X90OD: 37 mm | ID: 26 mm | Free length: 90 mm | Spring rate: 0.87 kgf/mm | Max deflection: 54 mm
LSSU 37X100OD: 37 mm | ID: 26 mm | Free length: 100 mm | Spring rate: 0.78 kgf/mm | Max deflection: 60 mm
LSSU 37X110OD: 37 mm | ID: 26 mm | Free length: 110 mm | Spring rate: 0.71 kgf/mm | Max deflection: 66 mm
LSSU 37X120OD: 37 mm | ID: 26 mm | Free length: 120 mm | Spring rate: 0.65 kgf/mm | Max deflection: 72 mm
LSSU 37X130OD: 37 mm | ID: 26 mm | Free length: 130 mm | Spring rate: 0.60 kgf/mm | Max deflection: 78 mm
LSSU 37X140OD: 37 mm | ID: 26 mm | Free length: 140 mm | Spring rate: 0.56 kgf/mm | Max deflection: 84 mm
LSSU 37X150OD: 37 mm | ID: 26 mm | Free length: 150 mm | Spring rate: 0.52 kgf/mm | Max deflection: 90 mm
LSSU 37X160OD: 37 mm | ID: 26 mm | Free length: 160 mm | Spring rate: 0.49 kgf/mm | Max deflection: 96 mm
LSSU 37X170OD: 37 mm | ID: 26 mm | Free length: 170 mm | Spring rate: 0.46 kgf/mm | Max deflection: 102 mm
LSSU 37X180OD: 37 mm | ID: 26 mm | Free length: 180 mm | Spring rate: 0.44 kgf/mm | Max deflection: 108 mm
LSSU 37X190OD: 37 mm | ID: 26 mm | Free length: 190 mm | Spring rate: 0.41 kgf/mm | Max deflection: 114 mm
LSSU 37X200OD: 37 mm | ID: 26 mm | Free length: 200 mm | Spring rate: 0.39 kgf/mm | Max deflection: 120 mm
LSSU 37X225OD: 37 mm | ID: 26 mm | Free length: 225 mm | Spring rate: 0.35 kgf/mm | Max deflection: 135 mm
LSSU 37X250OD: 37 mm | ID: 26 mm | Free length: 250 mm | Spring rate: 0.31 kgf/mm | Max deflection: 150 mm
LSSU 37X275OD: 37 mm | ID: 26 mm | Free length: 275 mm | Spring rate: 0.28 kgf/mm | Max deflection: 165 mm
LSSU 37X300OD: 37 mm | ID: 26 mm | Free length: 300 mm | Spring rate: 0.26 kgf/mm | Max deflection: 180 mm
LSSU 43X50OD: 43 mm | ID: 31 mm | Free length: 50 mm | Spring rate: 2.00 kgf/mm | Max deflection: 30 mm
LSSU 43X60OD: 43 mm | ID: 31 mm | Free length: 60 mm | Spring rate: 1.67 kgf/mm | Max deflection: 36 mm
LSSU 43X70OD: 43 mm | ID: 31 mm | Free length: 70 mm | Spring rate: 1.43 kgf/mm | Max deflection: 42 mm
LSSU 43X80OD: 43 mm | ID: 31 mm | Free length: 80 mm | Spring rate: 1.25 kgf/mm | Max deflection: 48 mm
LSSU 43X90OD: 43 mm | ID: 31 mm | Free length: 90 mm | Spring rate: 1.14 kgf/mm | Max deflection: 54 mm
LSSU 43X100OD: 43 mm | ID: 31 mm | Free length: 100 mm | Spring rate: 1.00 kgf/mm | Max deflection: 60 mm
LSSU 43X110OD: 43 mm | ID: 31 mm | Free length: 110 mm | Spring rate: 0.91 kgf/mm | Max deflection: 66 mm
LSSU 43X120OD: 43 mm | ID: 31 mm | Free length: 120 mm | Spring rate: 0.83 kgf/mm | Max deflection: 72 mm
LSSU 43X130OD: 43 mm | ID: 31 mm | Free length: 130 mm | Spring rate: 0.77 kgf/mm | Max deflection: 78 mm
LSSU 43X140OD: 43 mm | ID: 31 mm | Free length: 140 mm | Spring rate: 0.71 kgf/mm | Max deflection: 84 mm
LSSU 43X150OD: 43 mm | ID: 31 mm | Free length: 150 mm | Spring rate: 0.67 kgf/mm | Max deflection: 90 mm
LSSU 43X160OD: 43 mm | ID: 31 mm | Free length: 160 mm | Spring rate: 0.63 kgf/mm | Max deflection: 96 mm
LSSU 43X170OD: 43 mm | ID: 31 mm | Free length: 170 mm | Spring rate: 0.59 kgf/mm | Max deflection: 102 mm
LSSU 43X180OD: 43 mm | ID: 31 mm | Free length: 180 mm | Spring rate: 0.56 kgf/mm | Max deflection: 108 mm
LSSU 43X190OD: 43 mm | ID: 31 mm | Free length: 190 mm | Spring rate: 0.53 kgf/mm | Max deflection: 114 mm
LSSU 43X200OD: 43 mm | ID: 31 mm | Free length: 200 mm | Spring rate: 0.50 kgf/mm | Max deflection: 120 mm
LSSU 43X225OD: 43 mm | ID: 31 mm | Free length: 225 mm | Spring rate: 0.44 kgf/mm | Max deflection: 135 mm
LSSU 43X250OD: 43 mm | ID: 31 mm | Free length: 250 mm | Spring rate: 0.40 kgf/mm | Max deflection: 150 mm
LSSU 43X275OD: 43 mm | ID: 31 mm | Free length: 275 mm | Spring rate: 0.36 kgf/mm | Max deflection: 165 mm
LSSU 43X300OD: 43 mm | ID: 31 mm | Free length: 300 mm | Spring rate: 0.33 kgf/mm | Max deflection: 180 mm
LSSU 26X30OD: 26 mm | ID: 16.5 mm | Free length: 30 mm | Spring rate: 1.67 kgf/mm | Max deflection: 18 mm
LSSU 26X35OD: 26 mm | ID: 16.5 mm | Free length: 35 mm | Spring rate: 1.43 kgf/mm | Max deflection: 21 mm
LSSU 26X40OD: 26 mm | ID: 16.5 mm | Free length: 40 mm | Spring rate: 1.25 kgf/mm | Max deflection: 24 mm
LSSU 26X45OD: 26 mm | ID: 16.5 mm | Free length: 45 mm | Spring rate: 1.14 kgf/mm | Max deflection: 27 mm
LSSU 26X50OD: 26 mm | ID: 16.5 mm | Free length: 50 mm | Spring rate: 1.00 kgf/mm | Max deflection: 30 mm
LSSU 26X55OD: 26 mm | ID: 16.5 mm | Free length: 55 mm | Spring rate: 0.91 kgf/mm | Max deflection: 33 mm
LSSU 26X60OD: 26 mm | ID: 16.5 mm | Free length: 60 mm | Spring rate: 0.83 kgf/mm | Max deflection: 36 mm
LSSU 26X65OD: 26 mm | ID: 16.5 mm | Free length: 65 mm | Spring rate: 0.77 kgf/mm | Max deflection: 39 mm
LSSU 26X70OD: 26 mm | ID: 16.5 mm | Free length: 70 mm | Spring rate: 0.71 kgf/mm | Max deflection: 42 mm
LSSU 26X75OD: 26 mm | ID: 16.5 mm | Free length: 75 mm | Spring rate: 0.67 kgf/mm | Max deflection: 45 mm
LSSU 26X80OD: 26 mm | ID: 16.5 mm | Free length: 80 mm | Spring rate: 0.63 kgf/mm | Max deflection: 48 mm
LSSU 26X90OD: 26 mm | ID: 16.5 mm | Free length: 90 mm | Spring rate: 0.56 kgf/mm | Max deflection: 54 mm
LSSU 26X100OD: 26 mm | ID: 16.5 mm | Free length: 100 mm | Spring rate: 0.50 kgf/mm | Max deflection: 60 mm
LSSU 26X110OD: 26 mm | ID: 16.5 mm | Free length: 110 mm | Spring rate: 0.45 kgf/mm | Max deflection: 66 mm
LSSU 26X120OD: 26 mm | ID: 16.5 mm | Free length: 120 mm | Spring rate: 0.42 kgf/mm | Max deflection: 72 mm
LSSU 26X125OD: 26 mm | ID: 16.5 mm | Free length: 125 mm | Spring rate: 0.40 kgf/mm | Max deflection: 75 mm
LSSU 26X130OD: 26 mm | ID: 16.5 mm | Free length: 130 mm | Spring rate: 0.38 kgf/mm | Max deflection: 78 mm
LSSU 26X140OD: 26 mm | ID: 16.5 mm | Free length: 140 mm | Spring rate: 0.36 kgf/mm | Max deflection: 84 mm
LSSU 26X150OD: 26 mm | ID: 16.5 mm | Free length: 150 mm | Spring rate: 0.33 kgf/mm | Max deflection: 90 mm
LSSU 26X175OD: 26 mm | ID: 16.5 mm | Free length: 175 mm | Spring rate: 0.29 kgf/mm | Max deflection: 105 mm
LSSU 26X200OD: 26 mm | ID: 16.5 mm | Free length: 200 mm | Spring rate: 0.25 kgf/mm | Max deflection: 120 mm
LSSU 26X225OD: 26 mm | ID: 16.5 mm | Free length: 225 mm | Spring rate: 0.22 kgf/mm | Max deflection: 135 mm
LSSU 26X250OD: 26 mm | ID: 16.5 mm | Free length: 250 mm | Spring rate: 0.20 kgf/mm | Max deflection: 150 mm
LSSU 31X35OD: 31 mm | ID: 21 mm | Free length: 35 mm | Spring rate: 1.81 kgf/mm | Max deflection: 21 mm
LSSU 31X40OD: 31 mm | ID: 21 mm | Free length: 40 mm | Spring rate: 1.58 kgf/mm | Max deflection: 24 mm
LSSU 31X45OD: 31 mm | ID: 21 mm | Free length: 45 mm | Spring rate: 1.44 kgf/mm | Max deflection: 27 mm
LSSU 31X50OD: 31 mm | ID: 21 mm | Free length: 50 mm | Spring rate: 1.27 kgf/mm | Max deflection: 30 mm
LSSU 31X55OD: 31 mm | ID: 21 mm | Free length: 55 mm | Spring rate: 1.5 kgf/mm | Max deflection: 33 mm
LSSU 31X60OD: 31 mm | ID: 21 mm | Free length: 60 mm | Spring rate: 1.06 kgf/mm | Max deflection: 36 mm
LSSU 31X65OD: 31 mm | ID: 21 mm | Free length: 65 mm | Spring rate: 0.97 kgf/mm | Max deflection: 39 mm
LSSU 31X70OD: 31 mm | ID: 21 mm | Free length: 70 mm | Spring rate: 0.90 kgf/mm | Max deflection: 42 mm
LSSU 31X75OD: 31 mm | ID: 21 mm | Free length: 75 mm | Spring rate: 0.84 kgf/mm | Max deflection: 45 mm
LSSU 31X80OD: 31 mm | ID: 21 mm | Free length: 80 mm | Spring rate: 0.79 kgf/mm | Max deflection: 48 mm
LSSU 31X90OD: 31 mm | ID: 21 mm | Free length: 90 mm | Spring rate: 0.70 kgf/mm | Max deflection: 54 mm
LSSU 31X100OD: 31 mm | ID: 21 mm | Free length: 100 mm | Spring rate: 0.63 kgf/mm | Max deflection: 60 mm
LSSU 31X110OD: 31 mm | ID: 21 mm | Free length: 110 mm | Spring rate: 0.58 kgf/mm | Max deflection: 66 mm
LSSU 31X120OD: 31 mm | ID: 21 mm | Free length: 120 mm | Spring rate: 0.53 kgf/mm | Max deflection: 72 mm
LSSU 31X125OD: 31 mm | ID: 21 mm | Free length: 125 mm | Spring rate: 0.51 kgf/mm | Max deflection: 75 mm
LSSU 31X130OD: 31 mm | ID: 21 mm | Free length: 130 mm | Spring rate: 0.49 kgf/mm | Max deflection: 78 mm
LSSU 31X140OD: 31 mm | ID: 21 mm | Free length: 140 mm | Spring rate: 0.45 kgf/mm | Max deflection: 84 mm
LSSU 31X150OD: 31 mm | ID: 21 mm | Free length: 150 mm | Spring rate: 0.42 kgf/mm | Max deflection: 90 mm
LSSU 31X160OD: 31 mm | ID: 21 mm | Free length: 160 mm | Spring rate: 0.40 kgf/mm | Max deflection: 96 mm
LSSU 31X170OD: 31 mm | ID: 21 mm | Free length: 170 mm | Spring rate: 0.37 kgf/mm | Max deflection: 102 mm
LSSU 31X175OD: 31 mm | ID: 21 mm | Free length: 175 mm | Spring rate: 0.36 kgf/mm | Max deflection: 105 mm
LSSU 31X180OD: 31 mm | ID: 21 mm | Free length: 180 mm | Spring rate: 0.35 kgf/mm | Max deflection: 108 mm
LSSU 31X190OD: 31 mm | ID: 21 mm | Free length: 190 mm | Spring rate: 0.33 kgf/mm | Max deflection: 114 mm
LSSU 31X200OD: 31 mm | ID: 21 mm | Free length: 200 mm | Spring rate: 0.32 kgf/mm | Max deflection: 120 mm
LSSU 31X250OD: 31 mm | ID: 21 mm | Free length: 250 mm | Spring rate: 0.25 kgf/mm | Max deflection: 150 mm
LSSU 31X300OD: 31 mm | ID: 21 mm | Free length: 300 mm | Spring rate: 0.21 kgf/mm | Max deflection: 180 mm

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