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Century Spring

66491SCS - 0.84" 316 Stainless Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from 316 stainless steel with 13 coils and closed ends. This spring features an O.D. of 0.172", and an I.D. of 0.11".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 66491S
Ends Closed
Finish Passivated
Free Length 0.84 in
Inside Diameter 0.11 in
Material 316 Stainless Steel
Outside Diameter 0.172 in
Part Type Standard
Rate 37.437 lbs/in
SKU 66491SCS
Solid Length 0.434 in
Suggested Max Deflection 0.135 in
Suggested Max Load 5.054 lbf
Total Coils 13
Wire Diameter 0.031 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 66491S
Ends Closed
Finish Passivated
Free Length 21.34 mm
Inside Diameter 2.79 mm
Material 316 Stainless Steel
Outside Diameter 4.37 mm
Part Type Standard
Rate 6.56 N/mm
SKU 66491SCS
Solid Length 11.02 mm
Suggested Max Deflection 3.43 mm
Suggested Max Load 22.48 N
Total Coils 13
Wire Diameter 0.79 mm
The 66491SCS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.031" diameter 316 stainless steel, the 66491S spring design exhibits reliable strength across its 13 active coils, withstanding repeated compression cycles with a maximum load of 5.054 lbf without succumbing to fatigue.

We manufacture the 66491S design to provide a compression spring that is 0.84" long at rest and provides a consistent rate of 37.437 lbs/in along its recommended maximum of 0.135" deflection. For best results, your application should fully accommodate the inner (0.11") and outer (0.172") diameters of this spring and be designed for its closed end configuration.

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