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Century Spring

1857CS - 1.31" Music Wire Compression Spring

Inventory Status
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Compression spring manufactured from music wire with 15.5 coils and closed ends. This spring features an O.D. of 0.312", and an I.D. of 0.252".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 1857
Ends Closed
Finish Zinc
Free Length 1.31 in
Inside Diameter 0.252 in
Material Music Wire
Outside Diameter 0.312 in
Part Type Standard
Rate 3.8 lbs/in
SKU 1857CS
Solid Length 0.5 in
Suggested Max Deflection 0.82 in
Suggested Max Load 3.1 lbf
Total Coils 15.5
Wire Diameter 0.03 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 1857
Ends Closed
Finish Zinc
Free Length 33.27 mm
Inside Diameter 6.4 mm
Material Music Wire
Outside Diameter 7.92 mm
Part Type Standard
Rate 0.67 N/mm
SKU 1857CS
Solid Length 12.7 mm
Suggested Max Deflection 20.83 mm
Suggested Max Load 13.79 N
Total Coils 15.5
Wire Diameter 0.76 mm
The 1857CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.03" diameter music wire, the 1857 spring design exhibits reliable strength across its 15.5 active coils, withstanding repeated compression cycles with a maximum load of 3.1 lbf without succumbing to fatigue.

We manufacture the 1857 design to provide a compression spring that is 1.31" long at rest and provides a consistent rate of 3.8 lbs/in along its recommended maximum of 0.82" deflection. For best results, your application should fully accommodate the inner (0.252") and outer (0.312") diameters of this spring and be designed for its closed end configuration.

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