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Century Spring

71308CS - 1.25" Music Wire Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from music wire with 10.4 coils and closed & ground ends. This spring features an O.D. of 0.39", and an I.D. of 0.296".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 71308
Ends Closed & Ground
Finish None
Free Length 1.25 in
Inside Diameter 0.296 in
Material Music Wire
Outside Diameter 0.39 in
Part Type Standard
Rate 21 lbs/in
SKU 71308CS
Solid Length 0.49 in
Suggested Max Deflection 0.67 in
Suggested Max Load 14 lbf
Total Coils 10.4
Wire Diameter 0.047 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 71308
Ends Closed & Ground
Finish None
Free Length 31.75 mm
Inside Diameter 7.52 mm
Material Music Wire
Outside Diameter 9.91 mm
Part Type Standard
Rate 3.68 N/mm
SKU 71308CS
Solid Length 12.45 mm
Suggested Max Deflection 17.02 mm
Suggested Max Load 62.27 N
Total Coils 10.4
Wire Diameter 1.19 mm
The 71308CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.047" diameter music wire, the 71308 spring design exhibits reliable strength across its 10.4 active coils, withstanding repeated compression cycles with a maximum load of 14 lbf without succumbing to fatigue.

We manufacture the 71308 design to provide a compression spring that is 1.25" long at rest and provides a consistent rate of 21 lbs/in along its recommended maximum of 0.67" deflection. For best results, your application should fully accommodate the inner (0.296") and outer (0.39") diameters of this spring and be designed for its closed & ground end configuration.

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