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Century Spring

71986CS - 3.25" Music Wire Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from music wire with 13.3 coils and closed & ground ends. This spring features an O.D. of 0.72", and an I.D. of 0.586".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 71986
Ends Closed & Ground
Finish None
Free Length 3.25 in
Inside Diameter 0.586 in
Material Music Wire
Outside Diameter 0.72 in
Part Type Standard
Rate 9.2 lbs/in
SKU 71986CS
Solid Length 0.89 in
Suggested Max Deflection 2.3 in
Suggested Max Load 21 lbf
Total Coils 13.3
Wire Diameter 0.067 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 71986
Ends Closed & Ground
Finish None
Free Length 82.55 mm
Inside Diameter 14.88 mm
Material Music Wire
Outside Diameter 18.29 mm
Part Type Standard
Rate 1.61 N/mm
SKU 71986CS
Solid Length 22.61 mm
Suggested Max Deflection 58.42 mm
Suggested Max Load 93.41 N
Total Coils 13.3
Wire Diameter 1.7 mm
The 71986CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.067" diameter music wire, the 71986 spring design exhibits reliable strength across its 13.3 active coils, withstanding repeated compression cycles with a maximum load of 21 lbf without succumbing to fatigue.

We manufacture the 71986 design to provide a compression spring that is 3.25" long at rest and provides a consistent rate of 9.2 lbs/in along its recommended maximum of 2.3" deflection. For best results, your application should fully accommodate the inner (0.586") and outer (0.72") diameters of this spring and be designed for its closed & ground end configuration.

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