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72937SCS - 4" 302/304 Stainless Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from 302/304 stainless steel with 7.13 coils and closed & ground ends. This spring features an O.D. of 1.937", and an I.D. of 1.641".

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 72937S
Ends Closed & Ground
Finish None
Free Length 4 in
Inside Diameter 1.641 in
Material 302/304 Stainless Steel
Outside Diameter 1.937 in
Part Type Standard
Rate 20 lbs/in
SKU 72937SCS
Solid Length 1.05 in
Suggested Max Deflection 2.3 in
Suggested Max Load 47 lbf
Total Coils 7.13
Wire Diameter 0.148 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 72937S
Ends Closed & Ground
Finish None
Free Length 101.6 mm
Inside Diameter 41.68 mm
Material 302/304 Stainless Steel
Outside Diameter 49.2 mm
Part Type Standard
Rate 3.5 N/mm
SKU 72937SCS
Solid Length 26.67 mm
Suggested Max Deflection 58.42 mm
Suggested Max Load 209.06 N
Total Coils 7.13
Wire Diameter 3.76 mm
The 72937SCS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.148" diameter 302/304 stainless steel, the 72937S spring design exhibits reliable strength across its 7.13 active coils, withstanding repeated compression cycles with a maximum load of 47 lbf without succumbing to fatigue.

We manufacture the 72937S design to provide a compression spring that is 4" long at rest and provides a consistent rate of 20 lbs/in along its recommended maximum of 2.3" deflection. For best results, your application should fully accommodate the inner (1.641") and outer (1.937") diameters of this spring and be designed for its closed & ground end configuration.