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Century Spring

3171CS - 3.56" Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from spring steel with 13.8 coils and closed & ground ends. This spring features an O.D. of 0.765", and an I.D. of 0.635".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 3171
Ends Closed & Ground
Finish Zinc
Free Length 3.56 in
Inside Diameter 0.635 in
Material Spring Steel
Outside Diameter 0.765 in
Part Type Standard
Rate 6.4 lbs/in
SKU 3171CS
Solid Length 0.89 in
Suggested Max Deflection 2 in
Suggested Max Load 13 lbf
Total Coils 13.8
Wire Diameter 0.065 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 3171
Ends Closed & Ground
Finish Zinc
Free Length 90.42 mm
Inside Diameter 16.13 mm
Material Spring Steel
Outside Diameter 19.43 mm
Part Type Standard
Rate 1.12 N/mm
SKU 3171CS
Solid Length 22.61 mm
Suggested Max Deflection 50.8 mm
Suggested Max Load 57.82 N
Total Coils 13.8
Wire Diameter 1.65 mm
The 3171CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.065" diameter spring steel, the 3171 spring design exhibits reliable strength across its 13.8 active coils, withstanding repeated compression cycles with a maximum load of 13 lbf without succumbing to fatigue.

We manufacture the 3171 design to provide a compression spring that is 3.56" long at rest and provides a consistent rate of 6.4 lbs/in along its recommended maximum of 2" deflection. For best results, your application should fully accommodate the inner (0.635") and outer (0.765") diameters of this spring and be designed for its closed & ground end configuration.

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