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Century Spring

71921SCS - 2.25" 302/304 Stainless Steel Compression Spring

Inventory Status
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Compression spring manufactured from 302/304 stainless steel with 10.9 coils and closed & ground ends. This spring features an O.D. of 0.66", and an I.D. of 0.516".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 71921S
Ends Closed & Ground
Finish None
Free Length 2.25 in
Inside Diameter 0.516 in
Material 302/304 Stainless Steel
Outside Diameter 0.66 in
Part Type Standard
Rate 18 lbs/in
SKU 71921SCS
Solid Length 0.78 in
Suggested Max Deflection 0.98 in
Suggested Max Load 18 lbf
Total Coils 10.9
Wire Diameter 0.072 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 71921S
Ends Closed & Ground
Finish None
Free Length 57.15 mm
Inside Diameter 13.11 mm
Material 302/304 Stainless Steel
Outside Diameter 16.76 mm
Part Type Standard
Rate 3.15 N/mm
SKU 71921SCS
Solid Length 19.81 mm
Suggested Max Deflection 24.89 mm
Suggested Max Load 80.06 N
Total Coils 10.9
Wire Diameter 1.83 mm
The 71921SCS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.072" diameter 302/304 stainless steel, the 71921S spring design exhibits reliable strength across its 10.9 active coils, withstanding repeated compression cycles with a maximum load of 18 lbf without succumbing to fatigue.

We manufacture the 71921S design to provide a compression spring that is 2.25" long at rest and provides a consistent rate of 18 lbs/in along its recommended maximum of 0.98" deflection. For best results, your application should fully accommodate the inner (0.516") and outer (0.66") diameters of this spring and be designed for its closed & ground end configuration.

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