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Century Spring

12311CS - 1.94" Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from spring steel with 7.5 coils and closed & ground ends. This spring features an O.D. of 1.062", and an I.D. of 0.862".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 12311
Ends Closed & Ground
Finish Zinc
Free Length 1.94 in
Inside Diameter 0.862 in
Material Spring Steel
Outside Diameter 1.062 in
Part Type Standard
Rate 29 lbs/in
SKU 12311CS
Solid Length 0.75 in
Suggested Max Deflection 1.1 in
Suggested Max Load 31 lbf
Total Coils 7.5
Wire Diameter 0.1 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 12311
Ends Closed & Ground
Finish Zinc
Free Length 49.28 mm
Inside Diameter 21.89 mm
Material Spring Steel
Outside Diameter 26.97 mm
Part Type Standard
Rate 5.08 N/mm
SKU 12311CS
Solid Length 19.05 mm
Suggested Max Deflection 27.94 mm
Suggested Max Load 137.89 N
Total Coils 7.5
Wire Diameter 2.54 mm
The 12311CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.1" diameter spring steel, the 12311 spring design exhibits reliable strength across its 7.5 active coils, withstanding repeated compression cycles with a maximum load of 31 lbf without succumbing to fatigue.

We manufacture the 12311 design to provide a compression spring that is 1.94" long at rest and provides a consistent rate of 29 lbs/in along its recommended maximum of 1.1" deflection. For best results, your application should fully accommodate the inner (0.862") and outer (1.062") diameters of this spring and be designed for its closed & ground end configuration.

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