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Century Spring

71656CS - 2.5" Music Wire Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from music wire with 12 coils and closed & ground ends. This spring features an O.D. of 0.54", and an I.D. of 0.448".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 71656
Ends Closed & Ground
Finish None
Free Length 2.5 in
Inside Diameter 0.448 in
Material Music Wire
Outside Diameter 0.54 in
Part Type Standard
Rate 5.3 lbs/in
SKU 71656CS
Solid Length 0.55 in
Suggested Max Deflection 1.8 in
Suggested Max Load 9.7 lbf
Total Coils 12
Wire Diameter 0.046 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 71656
Ends Closed & Ground
Finish None
Free Length 63.5 mm
Inside Diameter 11.38 mm
Material Music Wire
Outside Diameter 13.72 mm
Part Type Standard
Rate 0.93 N/mm
SKU 71656CS
Solid Length 13.97 mm
Suggested Max Deflection 45.72 mm
Suggested Max Load 43.15 N
Total Coils 12
Wire Diameter 1.17 mm
The 71656CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.046" diameter music wire, the 71656 spring design exhibits reliable strength across its 12 active coils, withstanding repeated compression cycles with a maximum load of 9.7 lbf without succumbing to fatigue.

We manufacture the 71656 design to provide a compression spring that is 2.5" long at rest and provides a consistent rate of 5.3 lbs/in along its recommended maximum of 1.8" deflection. For best results, your application should fully accommodate the inner (0.448") and outer (0.54") diameters of this spring and be designed for its closed & ground end configuration.

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