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Century Spring

75231CS - 0.551" Music Wire Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from music wire with 15.13 coils and closed & ground ends. This spring features an O.D. of 0.118", and an I.D. of 0.078".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 75231
Ends Closed & Ground
Finish Zinc
Free Length 0.551 in
Inside Diameter 0.078 in
Material Music Wire
Outside Diameter 0.118 in
Part Type Metric
Rate 18.11 lbs/in
SKU 75231CS
Solid Length 0.296 in
Suggested Max Deflection 0.214 in
Suggested Max Load 3.876 lbf
Total Coils 15.13
Wire Diameter 0.02 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 75231
Ends Closed & Ground
Finish Zinc
Free Length 14 mm
Inside Diameter 1.98 mm
Material Music Wire
Outside Diameter 3 mm
Part Type Metric
Rate 3.17 N/mm
SKU 75231CS
Solid Length 7.52 mm
Suggested Max Deflection 5.44 mm
Suggested Max Load 17.24 N
Total Coils 15.13
Wire Diameter 0.51 mm
The 75231CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.02" diameter music wire, the 75231 spring design exhibits reliable strength across its 15.13 active coils, withstanding repeated compression cycles with a maximum load of 3.876 lbf without succumbing to fatigue.

We manufacture the 75231 design to provide a compression spring that is 0.551" long at rest and provides a consistent rate of 18.11 lbs/in along its recommended maximum of 0.214" deflection. For best results, your application should fully accommodate the inner (0.078") and outer (0.118") diameters of this spring and be designed for its closed & ground end configuration.

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