• SMC M Miniature Fitting (M3, M5, R1/8; Barb, Hose Nipple)
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SMC M Miniature Fitting (M3, M5, R1/8; Barb, Hose Nipple)

SMC M Miniature Fitting (M3, M5, R1/8; Barb, Hose Nipple)

SMC M series miniature fittings for M3, M5 and R1/8 ports, including barb fittings and elbows for ø2 to ø6 tube, hose nipples with cap nut, and union, tee, nipple, bulkhead and plug fittings.

Key features

  • Barb fittings and elbows for nylon (N) or soft nylon/polyurethane (U) tube; ø2/ø1.2 polyurethane tube series (M--2) with sleeve
  • Hose nipples and hose elbows with hand-tightened cap nut for nylon, soft nylon and polyurethane tube
  • Universal elbows, tees and nipples rotate 360° around the stud for free positioning
  • Bodies C3604 with electroless nickel plating; gasket nylon 66 GF30 with SUS304/NBR
  • Barb one-touch and reducer adapters connect ø2 tube to ø3.2/ø4 one-touch fittings

Specifications

Fluid Air, N2, water (not with barb types)
Max. operating pressure 1 MPa (ø2 series); 0.8 to 1.5 MPa by tube
Ambient and fluid temperature -5 to 60°C, water 0 to 40°C (no freezing)
Thread M3, M5 (JIS B0205), R1/8 (JIS B0203)
Body material C3604, electroless nickel plated (M-3N/M-5N SUS303)
Gasket material Nylon 66 GF30, SUS304, NBR
Source SMC Korea catalog M Series (SMCKR_M-__-2_M.pdf), p. 307-316
M-3AU-2 Type: Barb fitting | Tube OD/ID: ø2/ø1.2 | Connection: M3x0.5 male
M-5AU-2 Type: Barb fitting | Tube OD/ID: ø2/ø1.2 | Connection: M5x0.8 male
M-3ALU-2 Type: Barb elbow | Tube OD/ID: ø2/ø1.2 | Connection: M3x0.5 male
M-5ALHU-2 Type: Barb elbow | Tube OD/ID: ø2/ø1.2 | Connection: M5x0.8 male
M-32F-2 Type: Barb one-touch | Tube OD/ID: ø2/ø1.2 | Connection: One-touch for ø3.2 tube
M-04F-2 Type: Barb one-touch | Tube OD/ID: ø2/ø1.2 | Connection: One-touch for ø4 tube
M-32R-2 Type: Reducer | Tube OD/ID: ø2/ø1.2 | Connection: Plug-in stem ø3.2
M-04R-2 Type: Reducer | Tube OD/ID: ø2/ø1.2 | Connection: Plug-in stem ø4
M-3AU-3 Type: Barb fitting (soft tube) | Tube OD/ID: ø3.18 | Connection: M3x0.5 male
M-3AU-4 Type: Barb fitting (soft tube) | Tube OD/ID: ø4/ø2.5 | Connection: M3x0.5 male
M-3ALU-3 Type: Barb elbow (soft tube) | Tube OD/ID: ø3.18 | Connection: M3x0.5 male
M-3ALU-4 Type: Barb elbow (soft tube) | Tube OD/ID: ø4/ø2.5 | Connection: M3x0.5 male
M-3UL Type: Universal elbow | Tube OD/ID: None | Connection: M3 female x M3 male
M-3UT Type: Universal tee | Tube OD/ID: None | Connection: M3 female x2, M3 male
M-3N Type: Nipple | Tube OD/ID: None | Connection: M3 male x M3 male
M-3P Type: Plug | Tube OD/ID: None | Connection: M3 male
M-01AN-4 Type: Barb fitting (nylon tube) | Tube OD/ID: ø4/ø2.5 | Connection: R1/8 male
M-01AN-6 Type: Barb fitting (nylon tube) | Tube OD/ID: ø6/ø4 | Connection: R1/8 male
M-01AU-4 Type: Barb fitting (soft tube) | Tube OD/ID: ø4/ø2.5 | Connection: R1/8 male
M-01AU-6 Type: Barb fitting (soft tube) | Tube OD/ID: ø6/ø4 | Connection: R1/8 male
M-01H-4 Type: Hose nipple | Tube OD/ID: ø4/ø2.5 | Connection: R1/8 male
M-01H-6 Type: Hose nipple | Tube OD/ID: ø6/ø4 | Connection: R1/8 male
M-5AN-4 Type: Barb fitting (nylon tube) | Tube OD/ID: ø4/ø2.5 | Connection: M5x0.8 male
M-5AN-6 Type: Barb fitting (nylon tube) | Tube OD/ID: ø6/ø4 | Connection: M5x0.8 male
M-5AU-3 Type: Barb fitting (soft tube) | Tube OD/ID: ø3.18 | Connection: M5x0.8 male
M-5AU-4 Type: Barb fitting (soft tube) | Tube OD/ID: ø4/ø2.5 | Connection: M5x0.8 male
M-5AU-6 Type: Barb fitting (soft tube) | Tube OD/ID: ø6/ø4 | Connection: M5x0.8 male
M-5ALN-4 Type: Barb elbow (nylon tube) | Tube OD/ID: ø4/ø2.5 | Connection: M5x0.8 male
M-5ALN-6 Type: Barb elbow (nylon tube) | Tube OD/ID: ø6/ø4 | Connection: M5x0.8 male
M-5ALU-3 Type: Barb elbow (soft tube) | Tube OD/ID: ø3.18 | Connection: M5x0.8 male
M-5ALU-4 Type: Barb elbow (soft tube) | Tube OD/ID: ø4/ø2.5 | Connection: M5x0.8 male
M-5ALU-6 Type: Barb elbow (soft tube) | Tube OD/ID: ø6/ø4 | Connection: M5x0.8 male
M-5ALHN-4 Type: Barb elbow H (nylon tube) | Tube OD/ID: ø4/ø2.5 | Connection: M5x0.8 male
M-5ALHN-6 Type: Barb elbow H (nylon tube) | Tube OD/ID: ø6/ø4 | Connection: M5x0.8 male
M-5ALHU-3 Type: Barb elbow H (soft tube) | Tube OD/ID: ø3.18 | Connection: M5x0.8 male
M-5ALHU-4 Type: Barb elbow H (soft tube) | Tube OD/ID: ø4/ø2.5 | Connection: M5x0.8 male
M-5ALHU-6 Type: Barb elbow H (soft tube) | Tube OD/ID: ø6/ø4 | Connection: M5x0.8 male
M-5H-4 Type: Hose nipple | Tube OD/ID: ø4/ø2.5 | Connection: M5x0.8 male
M-5H-6 Type: Hose nipple | Tube OD/ID: ø6/ø4 | Connection: M5x0.8 male
M-5HL-4 Type: Hose elbow | Tube OD/ID: ø4/ø2.5 | Connection: M5x0.8 male
M-5HL-6 Type: Hose elbow | Tube OD/ID: ø6/ø4 | Connection: M5x0.8 male
M-5HLH-4 Type: Hose elbow H (swivel) | Tube OD/ID: ø4/ø2.5 | Connection: M5x0.8 male
M-5HLH-6 Type: Hose elbow H (swivel) | Tube OD/ID: ø6/ø4 | Connection: M5x0.8 male
M-5L Type: Elbow | Tube OD/ID: None | Connection: M5 female x M5 female
M-5T Type: Tee | Tube OD/ID: None | Connection: M5 female x3
M-5UL Type: Universal elbow | Tube OD/ID: None | Connection: M5 female x M5 male
M-5UT Type: Universal tee | Tube OD/ID: None | Connection: M5 female x2, M5 male
M-5J Type: Extension fitting | Tube OD/ID: None | Connection: M5 male x M5 female
M-5N Type: Nipple | Tube OD/ID: None | Connection: M5 male x M5 male
M-5UN Type: Universal nipple | Tube OD/ID: None | Connection: M5 male x M5 male
M-5E Type: Bulkhead union | Tube OD/ID: None | Connection: M5 female x M5 female
M-5ER Type: Bulkhead reducer | Tube OD/ID: None | Connection: Rc1/8 female x M5 female
M-5M Type: Manifold | Tube OD/ID: None | Connection: R1/8 male x M5 female
M-5B Type: Bushing | Tube OD/ID: None | Connection: R1/8 male x M5 female
M-5P Type: Plug | Tube OD/ID: None | Connection: M5 male
FittingsSMC
55 product codes available in this family
Sourced direct from KoreaExport-ready supplyCompetitive pricing
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SMC M Miniature Fitting (M3, M5, R1/8; Barb, Hose Nipple)

Brand SMC·Fittings

Available part numbers (55)

M-3AU-2, M-5AU-2, M-3ALU-2, M-5ALHU-2, M-32F-2, M-04F-2, M-32R-2, M-04R-2, M-3AU-3, M-3AU-4 + 45 more — see full table ↓

How to order

Send the SMC part numbers and quantities through our RFQ form or to info@prosourcemro.com. We confirm price, availability and lead time within 1 business day — no account needed.

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Product codes & specifications
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RFQ List (0)
Product codeSpec
M-3AU-2Type: Barb fitting | Tube OD/ID: ø2/ø1.2 | Connection: M3x0.5 male
M-5AU-2Type: Barb fitting | Tube OD/ID: ø2/ø1.2 | Connection: M5x0.8 male
M-3ALU-2Type: Barb elbow | Tube OD/ID: ø2/ø1.2 | Connection: M3x0.5 male
M-5ALHU-2Type: Barb elbow | Tube OD/ID: ø2/ø1.2 | Connection: M5x0.8 male
M-32F-2Type: Barb one-touch | Tube OD/ID: ø2/ø1.2 | Connection: One-touch for ø3.2 tube
M-04F-2Type: Barb one-touch | Tube OD/ID: ø2/ø1.2 | Connection: One-touch for ø4 tube
M-32R-2Type: Reducer | Tube OD/ID: ø2/ø1.2 | Connection: Plug-in stem ø3.2
M-04R-2Type: Reducer | Tube OD/ID: ø2/ø1.2 | Connection: Plug-in stem ø4
M-3AU-3Type: Barb fitting (soft tube) | Tube OD/ID: ø3.18 | Connection: M3x0.5 male
M-3AU-4Type: Barb fitting (soft tube) | Tube OD/ID: ø4/ø2.5 | Connection: M3x0.5 male
M-3ALU-3Type: Barb elbow (soft tube) | Tube OD/ID: ø3.18 | Connection: M3x0.5 male
M-3ALU-4Type: Barb elbow (soft tube) | Tube OD/ID: ø4/ø2.5 | Connection: M3x0.5 male
M-3ULType: Universal elbow | Tube OD/ID: None | Connection: M3 female x M3 male
M-3UTType: Universal tee | Tube OD/ID: None | Connection: M3 female x2, M3 male
M-3NType: Nipple | Tube OD/ID: None | Connection: M3 male x M3 male
M-3PType: Plug | Tube OD/ID: None | Connection: M3 male
M-01AN-4Type: Barb fitting (nylon tube) | Tube OD/ID: ø4/ø2.5 | Connection: R1/8 male
M-01AN-6Type: Barb fitting (nylon tube) | Tube OD/ID: ø6/ø4 | Connection: R1/8 male
M-01AU-4Type: Barb fitting (soft tube) | Tube OD/ID: ø4/ø2.5 | Connection: R1/8 male
M-01AU-6Type: Barb fitting (soft tube) | Tube OD/ID: ø6/ø4 | Connection: R1/8 male
M-01H-4Type: Hose nipple | Tube OD/ID: ø4/ø2.5 | Connection: R1/8 male
M-01H-6Type: Hose nipple | Tube OD/ID: ø6/ø4 | Connection: R1/8 male
M-5AN-4Type: Barb fitting (nylon tube) | Tube OD/ID: ø4/ø2.5 | Connection: M5x0.8 male
M-5AN-6Type: Barb fitting (nylon tube) | Tube OD/ID: ø6/ø4 | Connection: M5x0.8 male
M-5AU-3Type: Barb fitting (soft tube) | Tube OD/ID: ø3.18 | Connection: M5x0.8 male
M-5AU-4Type: Barb fitting (soft tube) | Tube OD/ID: ø4/ø2.5 | Connection: M5x0.8 male
M-5AU-6Type: Barb fitting (soft tube) | Tube OD/ID: ø6/ø4 | Connection: M5x0.8 male
M-5ALN-4Type: Barb elbow (nylon tube) | Tube OD/ID: ø4/ø2.5 | Connection: M5x0.8 male
M-5ALN-6Type: Barb elbow (nylon tube) | Tube OD/ID: ø6/ø4 | Connection: M5x0.8 male
M-5ALU-3Type: Barb elbow (soft tube) | Tube OD/ID: ø3.18 | Connection: M5x0.8 male
M-5ALU-4Type: Barb elbow (soft tube) | Tube OD/ID: ø4/ø2.5 | Connection: M5x0.8 male
M-5ALU-6Type: Barb elbow (soft tube) | Tube OD/ID: ø6/ø4 | Connection: M5x0.8 male
M-5ALHN-4Type: Barb elbow H (nylon tube) | Tube OD/ID: ø4/ø2.5 | Connection: M5x0.8 male
M-5ALHN-6Type: Barb elbow H (nylon tube) | Tube OD/ID: ø6/ø4 | Connection: M5x0.8 male
M-5ALHU-3Type: Barb elbow H (soft tube) | Tube OD/ID: ø3.18 | Connection: M5x0.8 male
M-5ALHU-4Type: Barb elbow H (soft tube) | Tube OD/ID: ø4/ø2.5 | Connection: M5x0.8 male
M-5ALHU-6Type: Barb elbow H (soft tube) | Tube OD/ID: ø6/ø4 | Connection: M5x0.8 male
M-5H-4Type: Hose nipple | Tube OD/ID: ø4/ø2.5 | Connection: M5x0.8 male
M-5H-6Type: Hose nipple | Tube OD/ID: ø6/ø4 | Connection: M5x0.8 male
M-5HL-4Type: Hose elbow | Tube OD/ID: ø4/ø2.5 | Connection: M5x0.8 male
M-5HL-6Type: Hose elbow | Tube OD/ID: ø6/ø4 | Connection: M5x0.8 male
M-5HLH-4Type: Hose elbow H (swivel) | Tube OD/ID: ø4/ø2.5 | Connection: M5x0.8 male
M-5HLH-6Type: Hose elbow H (swivel) | Tube OD/ID: ø6/ø4 | Connection: M5x0.8 male
M-5LType: Elbow | Tube OD/ID: None | Connection: M5 female x M5 female
M-5TType: Tee | Tube OD/ID: None | Connection: M5 female x3
M-5ULType: Universal elbow | Tube OD/ID: None | Connection: M5 female x M5 male
M-5UTType: Universal tee | Tube OD/ID: None | Connection: M5 female x2, M5 male
M-5JType: Extension fitting | Tube OD/ID: None | Connection: M5 male x M5 female
M-5NType: Nipple | Tube OD/ID: None | Connection: M5 male x M5 male
M-5UNType: Universal nipple | Tube OD/ID: None | Connection: M5 male x M5 male
M-5EType: Bulkhead union | Tube OD/ID: None | Connection: M5 female x M5 female
M-5ERType: Bulkhead reducer | Tube OD/ID: None | Connection: Rc1/8 female x M5 female
M-5MType: Manifold | Tube OD/ID: None | Connection: R1/8 male x M5 female
M-5BType: Bushing | Tube OD/ID: None | Connection: R1/8 male x M5 female
M-5PType: Plug | Tube OD/ID: None | Connection: M5 male

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