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S-642CS - 1.38 Inch 302/304 Stainless Steel Extension Springs

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Estimated Lead Time

The S-642CS is a regular extension spring manufactured by Century Spring. It is made from 302/304 stainless steel and has a wire diameter of 0.054 inches. This spring has a free length of 1.38 inches and a maximum deflection of 0.56 inches. With an initial tension of 3 pounds, it can handle a maximum load of 14 pound force. The S-642CS has an outside diameter of 0.375 inch and a spring rate of 19 lbs/inch. It features machine hooks on both ends and is wound in a left direction.

Century Spring is proud to offer fast shipping and maintain a significant stock inventory. Our products, including the S-642CS, 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 3 lb
Length 1.38 in
Material 302/304 Stainless Steel
Outside Diameter 0.375 in
Part Type Standard
Rate 19 lbs/in
SKU S-642CS
Sugg Max Deflection 0.56 in
Sugg Max Load 14 lbf
Wire Diameter 0.054 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish None
Initial Tension 1.36 kg
Length 35.05 mm
Material 302/304 Stainless Steel
Outside Diameter 9.53 mm
Part Type Standard
Rate 3.33 N/mm
SKU S-642CS
Sugg Max Deflection 14.22 mm
Sugg Max Load 62.27 N
Wire Diameter 1.37 mm