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Century Spring

75645CS - 0.984" Music Wire Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from music wire with 10.5 coils and closed & ground ends. This spring features an O.D. of 0.297", and an I.D. of 0.197".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 75645
Ends Closed & Ground
Finish Zinc
Free Length 0.984 in
Inside Diameter 0.197 in
Material Music Wire
Outside Diameter 0.297 in
Part Type Metric
Rate 67.198 lbs/in
SKU 75645CS
Solid Length 0.517 in
Suggested Max Deflection 0.295 in
Suggested Max Load 19.823 lbf
Total Coils 10.5
Wire Diameter 0.05 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 75645
Ends Closed & Ground
Finish Zinc
Free Length 24.99 mm
Inside Diameter 5 mm
Material Music Wire
Outside Diameter 7.54 mm
Part Type Metric
Rate 11.77 N/mm
SKU 75645CS
Solid Length 13.13 mm
Suggested Max Deflection 7.49 mm
Suggested Max Load 88.17 N
Total Coils 10.5
Wire Diameter 1.27 mm
The 75645CS 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 75645 spring design exhibits reliable strength across its 10.5 active coils, withstanding repeated compression cycles with a maximum load of 19.823 lbf without succumbing to fatigue.

We manufacture the 75645 design to provide a compression spring that is 0.984" long at rest and provides a consistent rate of 67.198 lbs/in along its recommended maximum of 0.295" deflection. For best results, your application should fully accommodate the inner (0.197") and outer (0.297") diameters of this spring and be designed for its closed & ground end configuration.

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