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Century Spring

369 - 4.5 Inch Spring Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from Spring Steel with 11.5 coils and Closed & Ground ends. This spring features an O.D. of 1.625 Inch, and an I.D. of 1.139 Inch.

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 369
Ends Closed & Ground
Finish Zinc
Free Length 4.5 in
Inside Diameter 1.139 in
Material Spring Steel
Outside Diameter 1.625 in
Part Type Standard
Rate 200 lbs/in
SKU 369CS
Solid Length 2.79 in
Suggested Max Deflection 1.2 in
Suggested Max Load 237 lbf
Total Coils 11.5
Wire Diameter 0.243 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 369
Ends Closed & Ground
Finish Zinc
Free Length 114.3 mm
Inside Diameter 28.93 mm
Material Spring Steel
Outside Diameter 41.28 mm
Part Type Standard
Rate 35.02 N/mm
SKU 369CS
Solid Length 70.87 mm
Suggested Max Deflection 30.48 mm
Suggested Max Load 1054.18 N
Total Coils 11.5
Wire Diameter 6.17 mm
The 369CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.243" diameter hard drawn, the 369 spring design exhibits reliable strength across its 11.5 active coils, withstanding repeated compression cycles with a maximum load of 237 lbf without succumbing to fatigue.

We manufacture the 369 design to provide a compression spring that is 4.5" long at rest and provides a consistent rate of 200 lbs/in along its recommended maximum of 1.2" deflection. For best results, your application should fully accommodate the inner (1.139") and outer (1.625") diameters of this spring and be designed for its closed & ground end configuration.

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