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Century Spring

61866SCS - 1.125" 316 Stainless Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from 316 stainless steel with 11.17 coils and closed & ground ends. This spring features an O.D. of 0.375", and an I.D. of 0.305".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 61866S
Ends Closed & Ground
Finish Passivated
Free Length 1.125 in
Inside Diameter 0.305 in
Material 316 Stainless Steel
Outside Diameter 0.375 in
Part Type Standard
Rate 5.2 lbs/in
SKU 61866SCS
Solid Length 0.403 in
Suggested Max Deflection 0.684 in
Suggested Max Load 3.557 lbf
Total Coils 11.17
Wire Diameter 0.035 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 61866S
Ends Closed & Ground
Finish Passivated
Free Length 28.58 mm
Inside Diameter 7.75 mm
Material 316 Stainless Steel
Outside Diameter 9.53 mm
Part Type Standard
Rate 0.91 N/mm
SKU 61866SCS
Solid Length 10.24 mm
Suggested Max Deflection 17.37 mm
Suggested Max Load 15.82 N
Total Coils 11.17
Wire Diameter 0.89 mm
The 61866SCS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.035" diameter 316 stainless steel, the 61866S spring design exhibits reliable strength across its 11.17 active coils, withstanding repeated compression cycles with a maximum load of 3.557 lbf without succumbing to fatigue.

We manufacture the 61866S design to provide a compression spring that is 1.125" long at rest and provides a consistent rate of 5.2 lbs/in along its recommended maximum of 0.684" deflection. For best results, your application should fully accommodate the inner (0.305") and outer (0.375") diameters of this spring and be designed for its closed & ground end configuration.

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