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Century Spring

4003 - 19 Inch Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from Spring Steel with 107 coils and Closed ends. This spring features an O.D. of 0.546 Inch, and an I.D. of 0.421 Inch.

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 4003
Ends Closed
Finish Zinc
Free Length 19 in
Inside Diameter 0.421 in
Material Spring Steel
Outside Diameter 0.546 in
Part Type Standard
Rate 1.8 lbs/in
SKU 4003CS
Solid Length 6.73 in
Suggested Max Deflection 8.8 in
Suggested Max Load 16 lbf
Total Coils 107
Wire Diameter 0.0625 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 4003
Ends Closed
Finish Zinc
Free Length 482.6 mm
Inside Diameter 10.69 mm
Material Spring Steel
Outside Diameter 13.87 mm
Part Type Standard
Rate 0.32 N/mm
SKU 4003CS
Solid Length 170.94 mm
Suggested Max Deflection 223.52 mm
Suggested Max Load 71.17 N
Total Coils 107
Wire Diameter 1.59 mm
The 4003CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.0625" diameter hard drawn, the 4003 spring design exhibits reliable strength across its 107 active coils, withstanding repeated compression cycles with a maximum load of 16 lbf without succumbing to fatigue.

We manufacture the 4003 design to provide a compression spring that is 19" long at rest and provides a consistent rate of 1.8 lbs/in along its recommended maximum of 8.8" deflection. For best results, your application should fully accommodate the inner (0.421") and outer (0.546") diameters of this spring and be designed for its closed end configuration.

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