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Century Spring

1931CS - 0.63" Music Wire Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from music wire with 6.5 coils and closed ends. This spring features an O.D. of 0.25", and an I.D. of 0.192".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 1931
Ends Closed
Finish Zinc
Free Length 0.63 in
Inside Diameter 0.192 in
Material Music Wire
Outside Diameter 0.25 in
Part Type Standard
Rate 21 lbs/in
SKU 1931CS
Solid Length 0.22 in
Suggested Max Deflection 0.26 in
Suggested Max Load 5.4 lbf
Total Coils 6.5
Wire Diameter 0.029 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 1931
Ends Closed
Finish Zinc
Free Length 16 mm
Inside Diameter 4.88 mm
Material Music Wire
Outside Diameter 6.35 mm
Part Type Standard
Rate 3.68 N/mm
SKU 1931CS
Solid Length 5.59 mm
Suggested Max Deflection 6.6 mm
Suggested Max Load 24.02 N
Total Coils 6.5
Wire Diameter 0.74 mm
The 1931CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.029" diameter music wire, the 1931 spring design exhibits reliable strength across its 6.5 active coils, withstanding repeated compression cycles with a maximum load of 5.4 lbf without succumbing to fatigue.

We manufacture the 1931 design to provide a compression spring that is 0.63" long at rest and provides a consistent rate of 21 lbs/in along its recommended maximum of 0.26" deflection. For best results, your application should fully accommodate the inner (0.192") and outer (0.25") diameters of this spring and be designed for its closed end configuration.

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