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S-566CS - 2.25 Inch 302/304 Stainless Steel Extension Springs

Inventory Status
Estimated Lead Time

The S-566CS is a regular extension spring manufactured by Century Spring. It is made from 302/304 Stainless Steel and features a machine hook on both ends. This spring has a free length of 2.25 inches and a maximum deflection of 2.5 inches. With a wire diameter of 0.041 inches and an outside diameter of 0.375 inches, it has a spring rate of 2.1 lbs/inch and a maximum load of 6.2 pound force. The S-566CS is a left-wound spring and is commonly used in various applications.

At Century Spring, we take pride in our fast shipping and extensive stock inventory. We understand the importance of timely delivery, and we ensure that our customers receive their springs promptly. With our significant stock, including the S-566CS, we can meet the demands of various projects. What sets us apart is our commitment to manufacturing our springs in the United States. This dedication allows us to maintain high-quality standards and support local industries. Trust Century Spring for reliable shipping, ample supply, and American-made springs.

Download CAD
Unit System
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish None
Initial Tension 0.9 lb
Length 2.25 in
Material 302/304 Stainless Steel
Outside Diameter 0.375 in
Part Type Standard
Rate 2.1 lbs/in
SKU S-566CS
Sugg Max Deflection 2.5 in
Sugg Max Load 6.2 lbf
Wind Direction Left
Wire Diameter 0.041 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish None
Initial Tension 0.41 kg
Length 57.15 mm
Material 302/304 Stainless Steel
Outside Diameter 9.53 mm
Part Type Standard
Rate 0.37 N/mm
SKU S-566CS
Sugg Max Deflection 63.5 mm
Sugg Max Load 27.58 N
Wind Direction Left
Wire Diameter 1.04 mm