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Century Spring

4313CS - 5.5" Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from spring steel with 7 coils and closed & ground ends. This spring features an O.D. of 2.5", and an I.D. of 2".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 4313
Ends Closed & Ground
Finish Zinc
Free Length 5.5 in
Inside Diameter 2 in
Material Spring Steel
Outside Diameter 2.5 in
Part Type Standard
Rate 99 lbs/in
SKU 4313CS
Solid Length 1.75 in
Suggested Max Deflection 1.8 in
Suggested Max Load 173 lbf
Total Coils 7
Wire Diameter 0.25 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 4313
Ends Closed & Ground
Finish Zinc
Free Length 139.7 mm
Inside Diameter 50.8 mm
Material Spring Steel
Outside Diameter 63.5 mm
Part Type Standard
Rate 17.33 N/mm
SKU 4313CS
Solid Length 44.45 mm
Suggested Max Deflection 45.72 mm
Suggested Max Load 769.5 N
Total Coils 7
Wire Diameter 6.35 mm
The 4313CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.25" diameter spring steel, the 4313 spring design exhibits reliable strength across its 7 active coils, withstanding repeated compression cycles with a maximum load of 173 lbf without succumbing to fatigue.

We manufacture the 4313 design to provide a compression spring that is 5.5" long at rest and provides a consistent rate of 99 lbs/in along its recommended maximum of 1.8" deflection. For best results, your application should fully accommodate the inner (2") and outer (2.5") diameters of this spring and be designed for its closed & ground end configuration.

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