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S-3111CS - 3.38" 302/304 Stainless Steel Compression Spring

Inventory Status
Estimated Lead Time

Compression spring manufactured from 302/304 stainless steel with 6.5 coils and closed & ground ends. This spring features an O.D. of 1.531", and an I.D. of 1.321".

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Display Name S-3111
Ends Closed & Ground
Finish None
Free Length 3.38 in
Inside Diameter 1.321 in
Material 302/304 Stainless Steel
Outside Diameter 1.531 in
Part Type Standard
Rate 12 lbs/in
SKU S-3111CS
Solid Length 0.68 in
Suggested Max Deflection 2 in
Suggested Max Load 23 lbf
Total Coils 6.5
Wire Diameter 0.105 in
Specs (in metric)
Label Value
Brand Century Spring
Display Name S-3111
Ends Closed & Ground
Finish None
Free Length 85.85 mm
Inside Diameter 33.55 mm
Material 302/304 Stainless Steel
Outside Diameter 38.89 mm
Part Type Standard
Rate 2.1 N/mm
SKU S-3111CS
Solid Length 17.27 mm
Suggested Max Deflection 50.8 mm
Suggested Max Load 102.3 N
Total Coils 6.5
Wire Diameter 2.67 mm
The S-3111CS compression spring is a meticulously engineered component designed for a wide range of industrial applications requiring reliable performance and durability. Crafted from premium 0.105" diameter 302/304 stainless steel, the S-3111 spring design exhibits reliable strength across its 6.5 active coils, withstanding repeated compression cycles with a maximum load of 23 lbf without succumbing to fatigue.

We manufacture the S-3111 design to provide a compression spring that is 3.38" long at rest and provides a consistent rate of 12 lbs/in along its recommended maximum of 2" deflection. For best results, your application should fully accommodate the inner (1.321") and outer (1.531") diameters of this spring and be designed for its closed & ground end configuration.