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4013CS - 18.5" Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from spring steel with 53 coils and closed & ground ends. This spring features an O.D. of 1.406", and an I.D. of 1.046".

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 4013
Ends Closed & Ground
Finish Zinc
Free Length 18.5 in
Inside Diameter 1.046 in
Material Spring Steel
Outside Diameter 1.406 in
Part Type Standard
Rate 16 lbs/in
SKU 4013CS
Solid Length 9.6 in
Suggested Max Deflection 7.1 in
Suggested Max Load 117 lbf
Total Coils 53
Wire Diameter 0.18 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 4013
Ends Closed & Ground
Finish Zinc
Free Length 469.9 mm
Inside Diameter 26.57 mm
Material Spring Steel
Outside Diameter 35.71 mm
Part Type Standard
Rate 2.8 N/mm
SKU 4013CS
Solid Length 243.84 mm
Suggested Max Deflection 180.34 mm
Suggested Max Load 520.42 N
Total Coils 53
Wire Diameter 4.57 mm
The 4013CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.18" diameter spring steel, the 4013 spring design exhibits reliable strength across its 53 active coils, withstanding repeated compression cycles with a maximum load of 117 lbf without succumbing to fatigue.

We manufacture the 4013 design to provide a compression spring that is 18.5" long at rest and provides a consistent rate of 16 lbs/in along its recommended maximum of 7.1" deflection. For best results, your application should fully accommodate the inner (1.046") and outer (1.406") diameters of this spring and be designed for its closed & ground end configuration.