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Century Spring

72501SCS - 4" 302/304 Stainless Steel Compression Spring

Inventory Status
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Compression spring manufactured from 302/304 stainless steel with 16.5 coils and closed & ground ends. This spring features an O.D. of 1.01", and an I.D. of 0.786".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 72501S
Ends Closed & Ground
Finish None
Free Length 4 in
Inside Diameter 0.786 in
Material 302/304 Stainless Steel
Outside Diameter 1.01 in
Part Type Standard
Rate 18 lbs/in
SKU 72501SCS
Solid Length 1.85 in
Suggested Max Deflection 2.2 in
Suggested Max Load 40 lbf
Total Coils 16.5
Wire Diameter 0.112 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 72501S
Ends Closed & Ground
Finish None
Free Length 101.6 mm
Inside Diameter 19.96 mm
Material 302/304 Stainless Steel
Outside Diameter 25.65 mm
Part Type Standard
Rate 3.15 N/mm
SKU 72501SCS
Solid Length 46.99 mm
Suggested Max Deflection 55.88 mm
Suggested Max Load 177.92 N
Total Coils 16.5
Wire Diameter 2.84 mm
The 72501SCS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.112" diameter 302/304 stainless steel, the 72501S spring design exhibits reliable strength across its 16.5 active coils, withstanding repeated compression cycles with a maximum load of 40 lbf without succumbing to fatigue.

We manufacture the 72501S design to provide a compression spring that is 4" long at rest and provides a consistent rate of 18 lbs/in along its recommended maximum of 2.2" deflection. For best results, your application should fully accommodate the inner (0.786") and outer (1.01") diameters of this spring and be designed for its closed & ground end configuration.

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