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Century Spring

71815CS - 3.25" Music Wire Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from music wire with 16 coils and closed & ground ends. This spring features an O.D. of 0.6", and an I.D. of 0.438".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 71815
Ends Closed & Ground
Finish None
Free Length 3.25 in
Inside Diameter 0.438 in
Material Music Wire
Outside Diameter 0.6 in
Part Type Standard
Rate 32 lbs/in
SKU 71815CS
Solid Length 1.3 in
Suggested Max Deflection 1.3 in
Suggested Max Load 41 lbf
Total Coils 16
Wire Diameter 0.081 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 71815
Ends Closed & Ground
Finish None
Free Length 82.55 mm
Inside Diameter 11.13 mm
Material Music Wire
Outside Diameter 15.24 mm
Part Type Standard
Rate 5.6 N/mm
SKU 71815CS
Solid Length 33.02 mm
Suggested Max Deflection 33.02 mm
Suggested Max Load 182.37 N
Total Coils 16
Wire Diameter 2.06 mm
The 71815CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.081" diameter music wire, the 71815 spring design exhibits reliable strength across its 16 active coils, withstanding repeated compression cycles with a maximum load of 41 lbf without succumbing to fatigue.

We manufacture the 71815 design to provide a compression spring that is 3.25" long at rest and provides a consistent rate of 32 lbs/in along its recommended maximum of 1.3" deflection. For best results, your application should fully accommodate the inner (0.438") and outer (0.6") diameters of this spring and be designed for its closed & ground end configuration.

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