National 561-1670 Clamp Part Lock Spring

The National 561-1670 Clamp Part Lock Spring is a replacement locking spring component for hang clamp assemblies, sourced direct from Korea.

Key features

Lock springs maintain consistent clamping tension and prevent unintended release during workholding operations, making them a go-to replacement part for maintenance teams keeping power tool clamps in reliable working order

561-1670		NVC-1HN #8 \| Jaw Opening: 0~20
561-2040		[Order] For NVC-2HN #8 \| Jaw Opening: 0~30
561-3933		For NVC-3HN #8 \| Jaw Opening: 0~35

Hang ClampsNational

3 product codes available in this family

Sourced direct from KoreaExport-ready supplyCompetitive pricing

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National 561-1670 Clamp Part Lock Spring

Brand National·Hang Clamps

Available part numbers (3)

561-1670, 561-2040, 561-3933

How to order

Send the National 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.