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Century Spring

11979CS - 3.25" Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from spring steel with 7.5 coils and closed & ground ends. This spring features an O.D. of 1.546", and an I.D. of 1.262".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 11979
Ends Closed & Ground
Finish Zinc
Free Length 3.25 in
Inside Diameter 1.262 in
Material Spring Steel
Outside Diameter 1.546 in
Part Type Standard
Rate 38 lbs/in
SKU 11979CS
Solid Length 1.07 in
Suggested Max Deflection 1.5 in
Suggested Max Load 57 lbf
Total Coils 7.5
Wire Diameter 0.142 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 11979
Ends Closed & Ground
Finish Zinc
Free Length 82.55 mm
Inside Diameter 32.05 mm
Material Spring Steel
Outside Diameter 39.27 mm
Part Type Standard
Rate 6.65 N/mm
SKU 11979CS
Solid Length 27.18 mm
Suggested Max Deflection 38.1 mm
Suggested Max Load 253.54 N
Total Coils 7.5
Wire Diameter 3.61 mm
The 11979CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.142" diameter spring steel, the 11979 spring design exhibits reliable strength across its 7.5 active coils, withstanding repeated compression cycles with a maximum load of 57 lbf without succumbing to fatigue.

We manufacture the 11979 design to provide a compression spring that is 3.25" long at rest and provides a consistent rate of 38 lbs/in along its recommended maximum of 1.5" deflection. For best results, your application should fully accommodate the inner (1.262") and outer (1.546") diameters of this spring and be designed for its closed & ground end configuration.

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