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Century Spring

76257CS - 1.378" Music Wire Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from music wire with 9.3 coils and closed & ground ends. This spring features an O.D. of 0.524", and an I.D. of 0.327".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 76257
Ends Closed & Ground
Finish None
Free Length 1.378 in
Inside Diameter 0.327 in
Material Music Wire
Outside Diameter 0.524 in
Part Type Metric
Rate 240.404 lbs/in
SKU 76257CS
Solid Length 0.915 in
Suggested Max Deflection 0.33 in
Suggested Max Load 79.349 lbf
Total Coils 9.3
Wire Diameter 0.098 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 76257
Ends Closed & Ground
Finish None
Free Length 35 mm
Inside Diameter 8.31 mm
Material Music Wire
Outside Diameter 13.31 mm
Part Type Metric
Rate 42.09 N/mm
SKU 76257CS
Solid Length 23.24 mm
Suggested Max Deflection 8.38 mm
Suggested Max Load 352.94 N
Total Coils 9.3
Wire Diameter 2.49 mm
The 76257CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.098" diameter music wire, the 76257 spring design exhibits reliable strength across its 9.3 active coils, withstanding repeated compression cycles with a maximum load of 79.349 lbf without succumbing to fatigue.

We manufacture the 76257 design to provide a compression spring that is 1.378" long at rest and provides a consistent rate of 240.404 lbs/in along its recommended maximum of 0.33" deflection. For best results, your application should fully accommodate the inner (0.327") and outer (0.524") diameters of this spring and be designed for its closed & ground end configuration.

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