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Century Spring

11279CS - 2.75" Spring Steel Compression Spring

Inventory Status
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Compression spring manufactured from spring steel with 20 coils and closed & ground ends. This spring features an O.D. of 0.562", and an I.D. of 0.366".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 11279
Ends Closed & Ground
Finish Zinc
Free Length 2.75 in
Inside Diameter 0.366 in
Material Spring Steel
Outside Diameter 0.562 in
Part Type Standard
Rate 74 lbs/in
SKU 11279CS
Solid Length 1.96 in
Suggested Max Deflection 0.71 in
Suggested Max Load 52 lbf
Total Coils 20
Wire Diameter 0.098 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 11279
Ends Closed & Ground
Finish Zinc
Free Length 69.85 mm
Inside Diameter 9.3 mm
Material Spring Steel
Outside Diameter 14.27 mm
Part Type Standard
Rate 12.96 N/mm
SKU 11279CS
Solid Length 49.78 mm
Suggested Max Deflection 18.03 mm
Suggested Max Load 231.3 N
Total Coils 20
Wire Diameter 2.49 mm
The 11279CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.098" diameter spring steel, the 11279 spring design exhibits reliable strength across its 20 active coils, withstanding repeated compression cycles with a maximum load of 52 lbf without succumbing to fatigue.

We manufacture the 11279 design to provide a compression spring that is 2.75" long at rest and provides a consistent rate of 74 lbs/in along its recommended maximum of 0.71" deflection. For best results, your application should fully accommodate the inner (0.366") and outer (0.562") diameters of this spring and be designed for its closed & ground end configuration.

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