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S-1685CS - 6.25" 302/304 Stainless Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from 302/304 stainless steel with 35.3 coils and closed ends. This spring features an O.D. of 0.437", and an I.D. of 0.309".

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name S-1685
Ends Closed
Finish None
Free Length 6.25 in
Inside Diameter 0.309 in
Material 302/304 Stainless Steel
Outside Diameter 0.437 in
Part Type Standard
Rate 12 lbs/in
SKU S-1685CS
Solid Length 2.32 in
Suggested Max Deflection 1.6 in
Suggested Max Load 20 lbf
Total Coils 35.3
Wire Diameter 0.064 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name S-1685
Ends Closed
Finish None
Free Length 158.75 mm
Inside Diameter 7.85 mm
Material 302/304 Stainless Steel
Outside Diameter 11.1 mm
Part Type Standard
Rate 2.1 N/mm
SKU S-1685CS
Solid Length 58.93 mm
Suggested Max Deflection 40.64 mm
Suggested Max Load 88.96 N
Total Coils 35.3
Wire Diameter 1.63 mm
The S-1685CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.064" diameter 302/304 stainless steel, the S-1685 spring design exhibits reliable strength across its 35.3 active coils, withstanding repeated compression cycles with a maximum load of 20 lbf without succumbing to fatigue.

We manufacture the S-1685 design to provide a compression spring that is 6.25" long at rest and provides a consistent rate of 12 lbs/in along its recommended maximum of 1.6" deflection. For best results, your application should fully accommodate the inner (0.309") and outer (0.437") diameters of this spring and be designed for its closed end configuration.