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S-623CS - 3.38 Inch 302/304 Stainless Steel Extension Springs

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The S-623CS is a regular extension spring manufactured by Century Spring. It is made from 302/304 Stainless Steel and has a machine hook on both ends. This spring has a free length of 3.38 inches and an initial tension of 3 pounds. With a wire diameter of 0.0625 inch and an outside diameter of 0.5 inches, it is designed to provide a maximum deflection of 2.6 inches and can handle a maximum load of 15 pound force. The S-623CS has a spring rate of 4.8 lbs/inch, making it suitable for a variety of applications.

At Century Spring, we take pride in our fast shipping and extensive stock inventory. Our products, including the S-623CS, are proudly made in the United States. With our efficient shipping process and ample supply, we ensure that customers receive their springs promptly and can rely on our high-quality products for their projects.

Download CAD
Unit System
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish None
Initial Tension 3 lb
Length 3.38 in
Material 302/304 Stainless Steel
Outside Diameter 0.5 in
Part Type Standard
Rate 4.8 lbs/in
SKU S-623CS
Sugg Max Deflection 2.6 in
Sugg Max Load 15 lbf
Wire Diameter 0.0625 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish None
Initial Tension 1.36 kg
Length 85.85 mm
Material 302/304 Stainless Steel
Outside Diameter 12.7 mm
Part Type Standard
Rate 0.84 N/mm
SKU S-623CS
Sugg Max Deflection 66.04 mm
Sugg Max Load 66.72 N
Wire Diameter 1.59 mm