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.

642CS - 3 Inch High Carbon Steel Extension Springs

The 642CS 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 0.054 inches, an outside diameter of 0.562 inches, and a free length of 3 inches. It has an initial tension of 1 Pound and a maximum deflection of 3.4 inches. The 642CS has a spring rate of 2.3 inches per pound and can withstand a maximum load of 9.2 Pound Force. It is a full loop spring, meaning both ends are closed. The 642CS is a standard extension spring suitable for various applications.

At Century Spring, we understand the importance of fast shipping and maintaining a significant stock inventory. Our products, including the 642CS, are proudly made in the United States. With our efficient shipping processes and ample supply, Century Spring ensures that customers can quickly receive the springs they need for their projects.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Full Loop
Finish Zinc
Initial Tension 1 lb
Length 3 in
Material High Carbon Steel
Outside Diameter 0.562 in
Part Type Standard
Rate 2.3 lbs/in
SKU 642CS
Sugg Max Deflection 3.4 in
Sugg Max Load 9.2 lbf
Wind Direction Left
Wire Diameter 0.054 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Full Loop
Finish Zinc
Initial Tension 0.45 kg
Length 76.2 mm
Material High Carbon Steel
Outside Diameter 14.27 mm
Part Type Standard
Rate 0.4 N/mm
SKU 642CS
Sugg Max Deflection 86.36 mm
Sugg Max Load 40.92 N
Wind Direction Left
Wire Diameter 1.37 mm
Inventory Status
In-stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours
Quantity Price
1 - 49 $3.87
50 - 149 $3.68
150 - 299 $3.49
300 - 499 $3.29
500 - 749 $2.91
750 - 999 $2.52
1000+ Call for price