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.

81150CS - 6.50 Inch Music Wire Extension Springs

Inventory:           
Estimated Lead Time

The 81150CS is a regular extension spring manufactured by Century Spring. It is made from high-quality music wire without any finish. This spring has a free length of 6.5 inches and an outside diameter of 1.5 inches. It has an initial tension of 7 pounds and a maximum deflection of 6.5 inches. The 81150CS has a spring rate of 11 inch-pounds and a maximum load capacity of 80 pounds. It features full loop ends and is suitable for various extension spring applications.

At Century Spring, we pride ourselves on fast shipping and maintaining a significant stock inventory. Our products, including the 81150CS, are proudly made in the United States. With our reliable shipping and ample supply, Century Spring ensures that 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 7 lb
Length 6.5 in
Material Music Wire
Outside Diameter 1.5 in
Part Type Standard
Rate 11 lbs/in
SKU 81150CS
Sugg Max Deflection 6.5 in
Sugg Max Load 80 lbf
Wire Diameter 0.148 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Full Loop
Finish None
Initial Tension 3.17 kg
Length 165.1 mm
Material Music Wire
Outside Diameter 38.1 mm
Part Type Standard
Rate 1.93 N/mm
SKU 81150CS
Sugg Max Deflection 165.1 mm
Sugg Max Load 355.84 N
Wire Diameter 3.76 mm