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Century Spring

12003CS - 6.13" Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from spring steel with 20 coils and closed & ground ends. This spring features an O.D. of 1.156", and an I.D. of 0.694".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 12003
Ends Closed & Ground
Finish Zinc
Free Length 6.13 in
Inside Diameter 0.694 in
Material Spring Steel
Outside Diameter 1.156 in
Part Type Standard
Rate 287 lbs/in
SKU 12003CS
Solid Length 4.62 in
Suggested Max Deflection 0.96 in
Suggested Max Load 274 lbf
Total Coils 20
Wire Diameter 0.231 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 12003
Ends Closed & Ground
Finish Zinc
Free Length 155.7 mm
Inside Diameter 17.63 mm
Material Spring Steel
Outside Diameter 29.36 mm
Part Type Standard
Rate 50.25 N/mm
SKU 12003CS
Solid Length 117.35 mm
Suggested Max Deflection 24.38 mm
Suggested Max Load 1218.75 N
Total Coils 20
Wire Diameter 5.87 mm
The 12003CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.231" diameter spring steel, the 12003 spring design exhibits reliable strength across its 20 active coils, withstanding repeated compression cycles with a maximum load of 274 lbf without succumbing to fatigue.

We manufacture the 12003 design to provide a compression spring that is 6.13" long at rest and provides a consistent rate of 287 lbs/in along its recommended maximum of 0.96" deflection. For best results, your application should fully accommodate the inner (0.694") and outer (1.156") diameters of this spring and be designed for its closed & ground end configuration.

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