This browser is no longer supported. Upgrade to Microsoft Edge or switch to a supported browser, like Chrome, Safari, or Firefox, to explore the MW Components website.

We're sorry for the inconvenience.

649CS - 8 Inch High Carbon Steel Extension Springs

Inventory Status
In-stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours

The 649CS 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 0.148 inches, an outer diameter of 1 inches, and a free length of 8 inches. It has an initial tension of 26 Pound and a maximum deflection of 2.9 inches. The 649CS has a spring rate of 25 lbs/inch and a maximum load of 99 Pound Force. It is a full loop end spring, meaning the ends are rounded. The 649CS is a standard extension spring and is suitable for various applications.

At Century Spring, we pride ourselves on our fast shipping and extensive stock inventory. We understand the importance of getting the right springs quickly for your projects. That's why we ensure prompt delivery and maintain a wide range of springs in stock, including the 649CS. Furthermore, all our springs are proudly made in the United States, guaranteeing high-quality craftsmanship. When you choose Century Spring, you can trust that you'll receive the springs you need in a timely manner, backed by our commitment to excellence.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Full Loop
Finish Zinc
Initial Tension 26 lb
Length 8 in
Material High Carbon Steel
Outside Diameter 1 in
Part Type Standard
Rate 25 lbs/in
SKU 649CS
Sugg Max Deflection 2.9 in
Sugg Max Load 99 lbf
Wind Direction Left
Wire Diameter 0.148 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Full Loop
Finish Zinc
Initial Tension 11.79 kg
Length 203.2 mm
Material High Carbon Steel
Outside Diameter 25.4 mm
Part Type Standard
Rate 4.38 N/mm
SKU 649CS
Sugg Max Deflection 73.66 mm
Sugg Max Load 440.35 N
Wind Direction Left
Wire Diameter 3.76 mm