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75657CS - 3.681" Music Wire Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from music wire with 20.5 coils and closed & ground ends. This spring features an O.D. of 0.443", and an I.D. of 0.343".

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 75657
Ends Closed & Ground
Finish Zinc
Free Length 3.681 in
Inside Diameter 0.343 in
Material Music Wire
Outside Diameter 0.443 in
Part Type Metric
Rate 7.793 lbs/in
SKU 75657CS
Solid Length 1.009 in
Suggested Max Deflection 1.767 in
Suggested Max Load 13.77 lbf
Total Coils 20.5
Wire Diameter 0.05 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 75657
Ends Closed & Ground
Finish Zinc
Free Length 93.5 mm
Inside Diameter 8.71 mm
Material Music Wire
Outside Diameter 11.25 mm
Part Type Metric
Rate 1.36 N/mm
SKU 75657CS
Solid Length 25.63 mm
Suggested Max Deflection 44.88 mm
Suggested Max Load 61.25 N
Total Coils 20.5
Wire Diameter 1.27 mm
The 75657CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.05" diameter music wire, the 75657 spring design exhibits reliable strength across its 20.5 active coils, withstanding repeated compression cycles with a maximum load of 13.77 lbf without succumbing to fatigue.

We manufacture the 75657 design to provide a compression spring that is 3.681" long at rest and provides a consistent rate of 7.793 lbs/in along its recommended maximum of 1.767" deflection. For best results, your application should fully accommodate the inner (0.343") and outer (0.443") diameters of this spring and be designed for its closed & ground end configuration.