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S-651CS - 1.25 Inch 302/304 Stainless Steel Extension Springs

Inventory Status
Estimated Lead Time

The S-651CS is a regular extension spring manufactured by Century Spring. It is made from 302/304 Stainless Steel and has a wire diameter of 0.035 inches. This spring has a free length of 1.25 Inch and an outside diameter of 0.312 inches. It has an initial tension of 0.7 Pound and a maximum deflection of 0.8 inches. The S-651CS has a spring rate of 4.8 lbs/inch and a maximum load of 4.6 Pound Force. It features full loop ends, making it easy to install and secure. As a regular extension spring, it is suitable for a variety of applications.

At Century Spring, we pride ourselves on fast shipping and maintaining a significant stock inventory. Our springs, including the S-651CS, are proudly made in the United States. With our reliable shipping and ample supply, we ensure that our customers can quickly receive the springs they need for their projects.

Download CAD
Unit System
Specs (in standard)
Label Value
Brand Century Spring
Ends Full Loop
Finish None
Initial Tension 0.7 lb
Length 1.25 in
Material 302/304 Stainless Steel
Outside Diameter 0.312 in
Part Type Standard
Rate 4.8 lbs/in
SKU S-651CS
Sugg Max Deflection 0.8 in
Sugg Max Load 4.6 lbf
Wind Direction Left
Wire Diameter 0.035 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Full Loop
Finish None
Initial Tension 0.32 kg
Length 31.75 mm
Material 302/304 Stainless Steel
Outside Diameter 7.92 mm
Part Type Standard
Rate 0.84 N/mm
SKU S-651CS
Sugg Max Deflection 20.32 mm
Sugg Max Load 20.46 N
Wind Direction Left
Wire Diameter 0.89 mm