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Century Spring

75528CS - 1.378" Music Wire Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from music wire with 10.49 coils and closed & ground ends. This spring features an O.D. of 0.354", and an I.D. of 0.28".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 75528
Ends Closed & Ground
Finish Zinc
Free Length 1.378 in
Inside Diameter 0.28 in
Material Music Wire
Outside Diameter 0.354 in
Part Type Metric
Rate 10.4 lbs/in
SKU 75528CS
Solid Length 0.405 in
Suggested Max Deflection 0.742 in
Suggested Max Load 7.717 lbf
Total Coils 10.49
Wire Diameter 0.037 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 75528
Ends Closed & Ground
Finish Zinc
Free Length 35 mm
Inside Diameter 7.11 mm
Material Music Wire
Outside Diameter 8.99 mm
Part Type Metric
Rate 1.82 N/mm
SKU 75528CS
Solid Length 10.29 mm
Suggested Max Deflection 18.85 mm
Suggested Max Load 34.33 N
Total Coils 10.49
Wire Diameter 0.94 mm
The 75528CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.037" diameter music wire, the 75528 spring design exhibits reliable strength across its 10.49 active coils, withstanding repeated compression cycles with a maximum load of 7.717 lbf without succumbing to fatigue.

We manufacture the 75528 design to provide a compression spring that is 1.378" long at rest and provides a consistent rate of 10.4 lbs/in along its recommended maximum of 0.742" deflection. For best results, your application should fully accommodate the inner (0.28") and outer (0.354") diameters of this spring and be designed for its closed & ground end configuration.

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