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Century Spring

64021SCS - 0.88" 316 Stainless Steel Compression Spring

Inventory Status
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Compression spring manufactured from 316 stainless steel with 11 coils and closed ends. This spring features an O.D. of 0.25", and an I.D. of 0.168".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 64021S
Ends Closed
Finish Passivated
Free Length 0.88 in
Inside Diameter 0.168 in
Material 316 Stainless Steel
Outside Diameter 0.25 in
Part Type Standard
Rate 42.99 lbs/in
SKU 64021SCS
Solid Length 0.492 in
Suggested Max Deflection 0.19 in
Suggested Max Load 8.168 lbf
Total Coils 11
Wire Diameter 0.041 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 64021S
Ends Closed
Finish Passivated
Free Length 22.35 mm
Inside Diameter 4.27 mm
Material 316 Stainless Steel
Outside Diameter 6.35 mm
Part Type Standard
Rate 7.53 N/mm
SKU 64021SCS
Solid Length 12.5 mm
Suggested Max Deflection 4.83 mm
Suggested Max Load 36.33 N
Total Coils 11
Wire Diameter 1.04 mm
The 64021SCS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.041" diameter 316 stainless steel, the 64021S spring design exhibits reliable strength across its 11 active coils, withstanding repeated compression cycles with a maximum load of 8.168 lbf without succumbing to fatigue.

We manufacture the 64021S design to provide a compression spring that is 0.88" long at rest and provides a consistent rate of 42.99 lbs/in along its recommended maximum of 0.19" deflection. For best results, your application should fully accommodate the inner (0.168") and outer (0.25") diameters of this spring and be designed for its closed end configuration.

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