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71987SCS - 3.5" 302/304 Stainless Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from 302/304 stainless steel with 14.3 coils and closed & ground ends. This spring features an O.D. of 0.72", and an I.D. of 0.586".

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 71987S
Ends Closed & Ground
Finish None
Free Length 3.5 in
Inside Diameter 0.586 in
Material 302/304 Stainless Steel
Outside Diameter 0.72 in
Part Type Standard
Rate 7.2 lbs/in
SKU 71987SCS
Solid Length 0.95 in
Suggested Max Deflection 2 in
Suggested Max Load 14 lbf
Total Coils 14.3
Wire Diameter 0.067 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 71987S
Ends Closed & Ground
Finish None
Free Length 88.9 mm
Inside Diameter 14.88 mm
Material 302/304 Stainless Steel
Outside Diameter 18.29 mm
Part Type Standard
Rate 1.26 N/mm
SKU 71987SCS
Solid Length 24.13 mm
Suggested Max Deflection 50.8 mm
Suggested Max Load 62.27 N
Total Coils 14.3
Wire Diameter 1.7 mm
The 71987SCS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.067" diameter 302/304 stainless steel, the 71987S spring design exhibits reliable strength across its 14.3 active coils, withstanding repeated compression cycles with a maximum load of 14 lbf without succumbing to fatigue.

We manufacture the 71987S design to provide a compression spring that is 3.5" long at rest and provides a consistent rate of 7.2 lbs/in along its recommended maximum of 2" deflection. For best results, your application should fully accommodate the inner (0.586") and outer (0.72") diameters of this spring and be designed for its closed & ground end configuration.