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Century Spring

11591CS - 2.78" Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from spring steel with 10 coils and closed & ground ends. This spring features an O.D. of 0.859", and an I.D. of 0.643".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 11591
Ends Closed & Ground
Finish Gold Iridite
Free Length 2.78 in
Inside Diameter 0.643 in
Material Spring Steel
Outside Diameter 0.859 in
Part Type Standard
Rate 58 lbs/in
SKU 11591CS
Solid Length 1.19 in
Suggested Max Deflection 0.82 in
Suggested Max Load 47 lbf
Total Coils 10
Wire Diameter 0.108 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 11591
Ends Closed & Ground
Finish Gold Iridite
Free Length 70.61 mm
Inside Diameter 16.33 mm
Material Spring Steel
Outside Diameter 21.82 mm
Part Type Standard
Rate 10.16 N/mm
SKU 11591CS
Solid Length 30.23 mm
Suggested Max Deflection 20.83 mm
Suggested Max Load 209.06 N
Total Coils 10
Wire Diameter 2.74 mm
The 11591CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.108" diameter spring steel, the 11591 spring design exhibits reliable strength across its 10 active coils, withstanding repeated compression cycles with a maximum load of 47 lbf without succumbing to fatigue.

We manufacture the 11591 design to provide a compression spring that is 2.78" long at rest and provides a consistent rate of 58 lbs/in along its recommended maximum of 0.82" deflection. For best results, your application should fully accommodate the inner (0.643") and outer (0.859") diameters of this spring and be designed for its closed & ground end configuration.

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