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71543SCS - 2.5" 302/304 Stainless Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from 302/304 stainless steel with 15.3 coils and closed & ground ends. This spring features an O.D. of 0.48", and an I.D. of 0.37".

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 71543S
Ends Closed & Ground
Finish None
Free Length 2.5 in
Inside Diameter 0.37 in
Material 302/304 Stainless Steel
Outside Diameter 0.48 in
Part Type Standard
Rate 11 lbs/in
SKU 71543SCS
Solid Length 0.84 in
Suggested Max Deflection 1.1 in
Suggested Max Load 12 lbf
Total Coils 15.3
Wire Diameter 0.055 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 71543S
Ends Closed & Ground
Finish None
Free Length 63.5 mm
Inside Diameter 9.4 mm
Material 302/304 Stainless Steel
Outside Diameter 12.19 mm
Part Type Standard
Rate 1.93 N/mm
SKU 71543SCS
Solid Length 21.34 mm
Suggested Max Deflection 27.94 mm
Suggested Max Load 53.38 N
Total Coils 15.3
Wire Diameter 1.4 mm
The 71543SCS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.055" diameter 302/304 stainless steel, the 71543S spring design exhibits reliable strength across its 15.3 active coils, withstanding repeated compression cycles with a maximum load of 12 lbf without succumbing to fatigue.

We manufacture the 71543S design to provide a compression spring that is 2.5" long at rest and provides a consistent rate of 11 lbs/in along its recommended maximum of 1.1" deflection. For best results, your application should fully accommodate the inner (0.37") and outer (0.48") diameters of this spring and be designed for its closed & ground end configuration.