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Century Spring

12439CS - 10" Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from spring steel with 27 coils and closed ends. This spring features an O.D. of 1.343", and an I.D. of 1.017".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 12439
Ends Closed
Finish None
Free Length 10 in
Inside Diameter 1.017 in
Material Spring Steel
Outside Diameter 1.343 in
Part Type Standard
Rate 25 lbs/in
SKU 12439CS
Solid Length 4.56 in
Suggested Max Deflection 3.9 in
Suggested Max Load 96 lbf
Total Coils 27
Wire Diameter 0.163 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 12439
Ends Closed
Finish None
Free Length 254 mm
Inside Diameter 25.83 mm
Material Spring Steel
Outside Diameter 34.11 mm
Part Type Standard
Rate 4.38 N/mm
SKU 12439CS
Solid Length 115.82 mm
Suggested Max Deflection 99.06 mm
Suggested Max Load 427.01 N
Total Coils 27
Wire Diameter 4.14 mm
The 12439CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.163" diameter spring steel, the 12439 spring design exhibits reliable strength across its 27 active coils, withstanding repeated compression cycles with a maximum load of 96 lbf without succumbing to fatigue.

We manufacture the 12439 design to provide a compression spring that is 10" long at rest and provides a consistent rate of 25 lbs/in along its recommended maximum of 3.9" deflection. For best results, your application should fully accommodate the inner (1.017") and outer (1.343") diameters of this spring and be designed for its closed end configuration.

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