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Century Spring

12377CS - 2.5" Spring Steel Compression Spring

Inventory Status
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Compression spring manufactured from spring steel with 16.5 coils and closed ends. This spring features an O.D. of 0.453", and an I.D. of 0.357".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 12377
Ends Closed
Finish Zinc
Free Length 2.5 in
Inside Diameter 0.357 in
Material Spring Steel
Outside Diameter 0.453 in
Part Type Standard
Rate 7.9 lbs/in
SKU 12377CS
Solid Length 0.84 in
Suggested Max Deflection 1.2 in
Suggested Max Load 9.4 lbf
Total Coils 16.5
Wire Diameter 0.048 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 12377
Ends Closed
Finish Zinc
Free Length 63.5 mm
Inside Diameter 9.07 mm
Material Spring Steel
Outside Diameter 11.51 mm
Part Type Standard
Rate 1.38 N/mm
SKU 12377CS
Solid Length 21.34 mm
Suggested Max Deflection 30.48 mm
Suggested Max Load 41.81 N
Total Coils 16.5
Wire Diameter 1.22 mm
The 12377CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.048" diameter spring steel, the 12377 spring design exhibits reliable strength across its 16.5 active coils, withstanding repeated compression cycles with a maximum load of 9.4 lbf without succumbing to fatigue.

We manufacture the 12377 design to provide a compression spring that is 2.5" long at rest and provides a consistent rate of 7.9 lbs/in along its recommended maximum of 1.2" deflection. For best results, your application should fully accommodate the inner (0.357") and outer (0.453") diameters of this spring and be designed for its closed end configuration.

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