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Century Spring

FF-58CS - 0.56" 302/304 Stainless Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from 302/304 stainless steel with 5 coils and closed & ground ends. This spring features an O.D. of 0.484", and an I.D. of 0.394".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name FF-58
Ends Closed & Ground
Finish None
Free Length 0.56 in
Inside Diameter 0.394 in
Material 302/304 Stainless Steel
Outside Diameter 0.484 in
Part Type Standard
Rate 21 lbs/in
SKU FF-58CS
Solid Length 0.23 in
Suggested Max Deflection 0.33 in
Suggested Max Load 6.8 lbf
Total Coils 5
Wire Diameter 0.045 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name FF-58
Ends Closed & Ground
Finish None
Free Length 14.22 mm
Inside Diameter 10.01 mm
Material 302/304 Stainless Steel
Outside Diameter 12.29 mm
Part Type Standard
Rate 3.68 N/mm
SKU FF-58CS
Solid Length 5.84 mm
Suggested Max Deflection 8.38 mm
Suggested Max Load 30.25 N
Total Coils 5
Wire Diameter 1.14 mm
The FF-58CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.045" diameter 302/304 stainless steel, the FF-58 spring design exhibits reliable strength across its 5 active coils, withstanding repeated compression cycles with a maximum load of 6.8 lbf without succumbing to fatigue.

We manufacture the FF-58 design to provide a compression spring that is 0.56" long at rest and provides a consistent rate of 21 lbs/in along its recommended maximum of 0.33" deflection. For best results, your application should fully accommodate the inner (0.394") and outer (0.484") diameters of this spring and be designed for its closed & ground end configuration.

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