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Century Spring

831CS - 3.25" Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from spring steel with 16.8 coils and closed ends. This spring features an O.D. of 0.75", and an I.D. of 0.54".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 831
Ends Closed
Finish Zinc
Free Length 3.25 in
Inside Diameter 0.54 in
Material Spring Steel
Outside Diameter 0.75 in
Part Type Standard
Rate 44 lbs/in
SKU 831CS
Solid Length 1.86 in
Suggested Max Deflection 1.1 in
Suggested Max Load 49 lbf
Total Coils 16.8
Wire Diameter 0.105 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 831
Ends Closed
Finish Zinc
Free Length 82.55 mm
Inside Diameter 13.72 mm
Material Spring Steel
Outside Diameter 19.05 mm
Part Type Standard
Rate 7.7 N/mm
SKU 831CS
Solid Length 47.24 mm
Suggested Max Deflection 27.94 mm
Suggested Max Load 217.95 N
Total Coils 16.8
Wire Diameter 2.67 mm
The 831CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.105" diameter spring steel, the 831 spring design exhibits reliable strength across its 16.8 active coils, withstanding repeated compression cycles with a maximum load of 49 lbf without succumbing to fatigue.

We manufacture the 831 design to provide a compression spring that is 3.25" long at rest and provides a consistent rate of 44 lbs/in along its recommended maximum of 1.1" deflection. For best results, your application should fully accommodate the inner (0.54") and outer (0.75") diameters of this spring and be designed for its closed end configuration.

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