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S-650CS - 0.78 Inch 302/304 Stainless Steel Extension Springs

Inventory Status
Estimated Lead Time

The S-650CS is a regular extension spring manufactured by Century Spring. It is made from 302/304 Stainless Steel and has a natural finish. This spring has a wire diameter of 0.035 inches, an outside diameter of 0.281 inches, and a free length of 0.78 inches. It has an initial tension of 0.9 Pound and a maximum deflection of 0.31 inches. The S-650CS has a spring rate of 14 lbs/inch and a maximum load of 5.2 Pound Force. It features machine hooks at both ends, making it easy to attach and use in various applications.

At Century Spring, we take pride in our fast shipping and extensive stock inventory. Our products, including the S-650CS, are proudly made in the United States. With our efficient shipping process and ample supply, we ensure that customers can quickly receive the high-quality 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 0.9 lb
Length 0.78 in
Material 302/304 Stainless Steel
Outside Diameter 0.281 in
Part Type Standard
Rate 14 lbs/in
SKU S-650CS
Sugg Max Deflection 0.31 in
Sugg Max Load 5.2 lbf
Wind Direction Left
Wire Diameter 0.035 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish None
Initial Tension 0.41 kg
Length 19.81 mm
Material 302/304 Stainless Steel
Outside Diameter 7.14 mm
Part Type Standard
Rate 2.45 N/mm
SKU S-650CS
Sugg Max Deflection 7.87 mm
Sugg Max Load 23.13 N
Wind Direction Left
Wire Diameter 0.89 mm