Century Spring

71645SCS - 3" 302/304 Stainless Steel Compression Spring

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Compression spring manufactured from 302/304 stainless steel with 12.8 coils and closed & ground ends. This spring features an O.D. of 0.54", and an I.D. of 0.458".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 71645S
Ends Closed & Ground
Finish None
Free Length 3 in
Inside Diameter 0.458 in
Material 302/304 Stainless Steel
Outside Diameter 0.54 in
Part Type Standard
Rate 2.6 lbs/in
SKU 71645SCS
Solid Length 0.52 in
Suggested Max Deflection 1.8 in
Suggested Max Load 4.7 lbf
Total Coils 12.8
Wire Diameter 0.041 in
The 71645SCS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.041" diameter 302/304 stainless steel, the 71645S spring design exhibits reliable strength across its 12.8 active coils, withstanding repeated compression cycles with a maximum load of 4.7 lbf without succumbing to fatigue.

We manufacture the 71645S design to provide a compression spring that is 3" long at rest and provides a consistent rate of 2.6 lbs/in along its recommended maximum of 1.8" deflection. For best results, your application should fully accommodate the inner (0.458") and outer (0.54") diameters of this spring and be designed for its closed & ground end configuration.

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