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Century Spring

4081CS - 5.38" Spring Steel Compression Spring

Inventory Status
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Compression spring manufactured from spring steel with 12.5 coils and closed & ground ends. This spring features an O.D. of 3.5", and an I.D. of 2.976".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 4081
Ends Closed & Ground
Finish Zinc
Free Length 5.38 in
Inside Diameter 2.976 in
Material Spring Steel
Outside Diameter 3.5 in
Part Type Standard
Rate 19 lbs/in
SKU 4081CS
Solid Length 3.28 in
Suggested Max Deflection 2.1 in
Suggested Max Load 40 lbf
Total Coils 12.5
Wire Diameter 0.262 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 4081
Ends Closed & Ground
Finish Zinc
Free Length 136.65 mm
Inside Diameter 75.59 mm
Material Spring Steel
Outside Diameter 88.9 mm
Part Type Standard
Rate 3.33 N/mm
SKU 4081CS
Solid Length 83.31 mm
Suggested Max Deflection 53.34 mm
Suggested Max Load 177.92 N
Total Coils 12.5
Wire Diameter 6.65 mm
The 4081CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.262" diameter spring steel, the 4081 spring design exhibits reliable strength across its 12.5 active coils, withstanding repeated compression cycles with a maximum load of 40 lbf without succumbing to fatigue.

We manufacture the 4081 design to provide a compression spring that is 5.38" long at rest and provides a consistent rate of 19 lbs/in along its recommended maximum of 2.1" deflection. For best results, your application should fully accommodate the inner (2.976") and outer (3.5") diameters of this spring and be designed for its closed & ground end configuration.

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