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Century Spring

66309SCS - 0.72" 316 Stainless Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from 316 stainless steel with 16.5 coils and closed ends. This spring features an O.D. of 0.14", and an I.D. of 0.092".

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Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name 66309S
Ends Closed
Finish Passivated
Free Length 0.72 in
Inside Diameter 0.092 in
Material 316 Stainless Steel
Outside Diameter 0.14 in
Part Type Standard
Rate 18.324 lbs/in
SKU 66309SCS
Solid Length 0.42 in
Suggested Max Deflection 0.158 in
Suggested Max Load 2.895 lbf
Total Coils 16.5
Wire Diameter 0.024 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name 66309S
Ends Closed
Finish Passivated
Free Length 18.29 mm
Inside Diameter 2.34 mm
Material 316 Stainless Steel
Outside Diameter 3.56 mm
Part Type Standard
Rate 3.21 N/mm
SKU 66309SCS
Solid Length 10.67 mm
Suggested Max Deflection 4.01 mm
Suggested Max Load 12.88 N
Total Coils 16.5
Wire Diameter 0.61 mm
The 66309SCS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.024" diameter 316 stainless steel, the 66309S spring design exhibits reliable strength across its 16.5 active coils, withstanding repeated compression cycles with a maximum load of 2.895 lbf without succumbing to fatigue.

We manufacture the 66309S design to provide a compression spring that is 0.72" long at rest and provides a consistent rate of 18.324 lbs/in along its recommended maximum of 0.158" deflection. For best results, your application should fully accommodate the inner (0.092") and outer (0.14") diameters of this spring and be designed for its closed end configuration.

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