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S-576CS - 2.88 Inch 302/304 Stainless Steel Extension Springs

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Estimated Lead Time

The S-576CS is a regular extension spring manufactured by Century Spring. It is made from 302/304 stainless steel and does not have a finish. This spring has a wire diameter of 0.054 inches, an outside diameter of 0.437 inches, and a free length of 2.88 inches. It has an initial tension of 2 pounds and a maximum deflection of 2.2 inches. The S-576CS has a spring rate of 4.3 lbs/inch and a maximum load of 12 pound force. It features machine hook ends and is wound in a left wind direction.

Century Spring offers fast shipping and maintains a significant stock inventory. Our springs, including the S-576CS, are proudly made in the United States. With our reliable shipping and ample supply, Century Spring ensures that customers can quickly receive the springs they need for their projects.

Download CAD
Unit System
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish None
Initial Tension 2 lb
Length 2.88 in
Material 302/304 Stainless Steel
Outside Diameter 0.437 in
Part Type Standard
Rate 4.3 lbs/in
SKU S-576CS
Sugg Max Deflection 2.2 in
Sugg Max Load 12 lbf
Wire Diameter 0.054 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish None
Initial Tension 0.91 kg
Length 73.15 mm
Material 302/304 Stainless Steel
Outside Diameter 11.1 mm
Part Type Standard
Rate 0.75 N/mm
SKU S-576CS
Sugg Max Deflection 55.88 mm
Sugg Max Load 53.38 N
Wire Diameter 1.37 mm