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Century Spring

75312CS - 0.256" Music Wire Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from music wire with 6.75 coils and closed & ground ends. This spring features an O.D. of 0.146", and an I.D. of 0.098".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 75312
Ends Closed & Ground
Finish Zinc
Free Length 0.256 in
Inside Diameter 0.098 in
Material Music Wire
Outside Diameter 0.146 in
Part Type Metric
Rate 53.37 lbs/in
SKU 75312CS
Solid Length 0.161 in
Suggested Max Deflection 0.095 in
Suggested Max Load 5.07 lbf
Total Coils 6.75
Wire Diameter 0.024 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 75312
Ends Closed & Ground
Finish Zinc
Free Length 6.5 mm
Inside Diameter 2.49 mm
Material Music Wire
Outside Diameter 3.71 mm
Part Type Metric
Rate 9.35 N/mm
SKU 75312CS
Solid Length 4.09 mm
Suggested Max Deflection 2.41 mm
Suggested Max Load 22.55 N
Total Coils 6.75
Wire Diameter 0.61 mm
The 75312CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.024" diameter music wire, the 75312 spring design exhibits reliable strength across its 6.75 active coils, withstanding repeated compression cycles with a maximum load of 5.07 lbf without succumbing to fatigue.

We manufacture the 75312 design to provide a compression spring that is 0.256" long at rest and provides a consistent rate of 53.37 lbs/in along its recommended maximum of 0.095" deflection. For best results, your application should fully accommodate the inner (0.098") and outer (0.146") diameters of this spring and be designed for its closed & ground end configuration.

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