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651CS - 3.25 Inch High Carbon Steel Extension Springs

Inventory Status
Limited Availability

The 651CS is a regular extension spring manufactured by Century Spring. It is made from High Carbon steel and has a zinc finish. This spring has a wire diameter of 0.072 inches, an outside diameter of 0.625 inches, and a free length of 3.25 inches. It has an initial tension of 3 Pound and a maximum deflection of 2.4 inches. The 651CS has a spring rate of 6.4 lbs/inch and can withstand a maximum load of 19 Pound Force. It features full loop ends, ensuring secure attachment. The 651CS is a standard extension spring suitable for various applications.

At Century Spring, we take pride in our fast shipping and extensive stock inventory. We understand the importance of receiving your springs promptly, which is why we strive to deliver our products quickly. Additionally, our significant stock ensures that we have an ample supply of springs, including the 651CS, ready to meet your needs. Furthermore, we are proud to say that all our springs are made in the United States. By manufacturing our springs domestically, we maintain high-quality standards and support local businesses. Trust Century Spring for reliable shipping, abundant stock, and American-made excellence.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Full Loop
Finish Zinc
Initial Tension 3 lb
Length 3.25 in
Material High Carbon Steel
Outside Diameter 0.625 in
Part Type Standard
Rate 6.4 lbs/in
SKU 651CS
Sugg Max Deflection 2.4 in
Sugg Max Load 19 lbf
Wind Direction Left
Wire Diameter 0.072 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Full Loop
Finish Zinc
Initial Tension 1.36 kg
Length 82.55 mm
Material High Carbon Steel
Outside Diameter 15.88 mm
Part Type Standard
Rate 1.12 N/mm
SKU 651CS
Sugg Max Deflection 60.96 mm
Sugg Max Load 84.51 N
Wind Direction Left
Wire Diameter 1.83 mm