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Century Spring

72931SCS - 5.5" 302/304 Stainless Steel Compression Spring

Inventory Status
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Compression spring manufactured from 302/304 stainless steel with 13.3 coils and closed & ground ends. This spring features an O.D. of 1.687", and an I.D. of 1.219".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 72931S
Ends Closed & Ground
Finish None
Free Length 5.5 in
Inside Diameter 1.219 in
Material 302/304 Stainless Steel
Outside Diameter 1.687 in
Part Type Standard
Rate 106 lbs/in
SKU 72931SCS
Solid Length 3.1 in
Suggested Max Deflection 1.6 in
Suggested Max Load 173 lbf
Total Coils 13.3
Wire Diameter 0.234 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 72931S
Ends Closed & Ground
Finish None
Free Length 139.7 mm
Inside Diameter 30.96 mm
Material 302/304 Stainless Steel
Outside Diameter 42.85 mm
Part Type Standard
Rate 18.56 N/mm
SKU 72931SCS
Solid Length 78.74 mm
Suggested Max Deflection 40.64 mm
Suggested Max Load 769.5 N
Total Coils 13.3
Wire Diameter 5.94 mm
The 72931SCS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.234" diameter 302/304 stainless steel, the 72931S spring design exhibits reliable strength across its 13.3 active coils, withstanding repeated compression cycles with a maximum load of 173 lbf without succumbing to fatigue.

We manufacture the 72931S design to provide a compression spring that is 5.5" long at rest and provides a consistent rate of 106 lbs/in along its recommended maximum of 1.6" deflection. For best results, your application should fully accommodate the inner (1.219") and outer (1.687") diameters of this spring and be designed for its closed & ground end configuration.

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