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Century Spring

2890CS - 1.28" Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from spring steel with 8 coils and closed & ground ends. This spring features an O.D. of 0.593", and an I.D. of 0.423".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 2890
Ends Closed & Ground
Finish Zinc
Free Length 1.28 in
Inside Diameter 0.423 in
Material Spring Steel
Outside Diameter 0.593 in
Part Type Standard
Rate 95 lbs/in
SKU 2890CS
Solid Length 0.68 in
Suggested Max Deflection 0.36 in
Suggested Max Load 34 lbf
Total Coils 8
Wire Diameter 0.085 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 2890
Ends Closed & Ground
Finish Zinc
Free Length 32.51 mm
Inside Diameter 10.74 mm
Material Spring Steel
Outside Diameter 15.06 mm
Part Type Standard
Rate 16.63 N/mm
SKU 2890CS
Solid Length 17.27 mm
Suggested Max Deflection 9.14 mm
Suggested Max Load 151.23 N
Total Coils 8
Wire Diameter 2.16 mm
The 2890CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.085" diameter spring steel, the 2890 spring design exhibits reliable strength across its 8 active coils, withstanding repeated compression cycles with a maximum load of 34 lbf without succumbing to fatigue.

We manufacture the 2890 design to provide a compression spring that is 1.28" long at rest and provides a consistent rate of 95 lbs/in along its recommended maximum of 0.36" deflection. For best results, your application should fully accommodate the inner (0.423") and outer (0.593") diameters of this spring and be designed for its closed & ground end configuration.

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