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Century Spring

66977SCS - 0.25" 316 Stainless Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from 316 stainless steel with 10.8 coils and closed ends. This spring features an O.D. of 0.25", and an I.D. of 0.222".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 66977S
Ends Closed
Finish Passivated
Free Length 0.25 in
Inside Diameter 0.222 in
Material 316 Stainless Steel
Outside Diameter 0.25 in
Part Type Standard
Rate 0.415 lbs/in
SKU 66977SCS
Solid Length 0.17 in
Suggested Max Deflection 0.085 in
Suggested Max Load 0.035 lbf
Total Coils 10.8
Wire Diameter 0.014 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 66977S
Ends Closed
Finish Passivated
Free Length 6.35 mm
Inside Diameter 5.64 mm
Material 316 Stainless Steel
Outside Diameter 6.35 mm
Part Type Standard
Rate 0.07 N/mm
SKU 66977SCS
Solid Length 4.32 mm
Suggested Max Deflection 2.16 mm
Suggested Max Load 0.16 N
Total Coils 10.8
Wire Diameter 0.36 mm
The 66977SCS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.014" diameter 316 stainless steel, the 66977S spring design exhibits reliable strength across its 10.8 active coils, withstanding repeated compression cycles with a maximum load of 0.035 lbf without succumbing to fatigue.

We manufacture the 66977S design to provide a compression spring that is 0.25" long at rest and provides a consistent rate of 0.415 lbs/in along its recommended maximum of 0.085" deflection. For best results, your application should fully accommodate the inner (0.222") and outer (0.25") diameters of this spring and be designed for its closed end configuration.

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