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Century Spring

75561CS - 0.748" Music Wire Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from music wire with 7.5 coils and closed & ground ends. This spring features an O.D. of 0.354", and an I.D. of 0.276".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 75561
Ends Closed & Ground
Finish Zinc
Free Length 0.748 in
Inside Diameter 0.276 in
Material Music Wire
Outside Diameter 0.354 in
Part Type Metric
Rate 20.971 lbs/in
SKU 75561CS
Solid Length 0.295 in
Suggested Max Deflection 0.437 in
Suggested Max Load 9.164 lbf
Total Coils 7.5
Wire Diameter 0.039 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 75561
Ends Closed & Ground
Finish Zinc
Free Length 19 mm
Inside Diameter 7.01 mm
Material Music Wire
Outside Diameter 8.99 mm
Part Type Metric
Rate 3.67 N/mm
SKU 75561CS
Solid Length 7.49 mm
Suggested Max Deflection 11.1 mm
Suggested Max Load 40.76 N
Total Coils 7.5
Wire Diameter 0.99 mm
The 75561CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.039" diameter music wire, the 75561 spring design exhibits reliable strength across its 7.5 active coils, withstanding repeated compression cycles with a maximum load of 9.164 lbf without succumbing to fatigue.

We manufacture the 75561 design to provide a compression spring that is 0.748" long at rest and provides a consistent rate of 20.971 lbs/in along its recommended maximum of 0.437" deflection. For best results, your application should fully accommodate the inner (0.276") and outer (0.354") diameters of this spring and be designed for its closed & ground end configuration.

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