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.

M-43CS - 0.50 Inch Music Wire Extension Springs

Inventory Status
Estimated Lead Time

The M-43CS is a regular extension spring manufactured by Century Spring. It is made from high-quality music wire and has a durable zinc finish. This spring has a wire diameter of 0.019 inch and an outer diameter of 0.188 inches. The free length of the M-43CS is 0.5 inches, and it has an initial tension of 0.2 pound. With a maximum deflection of 0.43 inch and a maximum load of 1.9 pound force, this spring is reliable and versatile. It features a left wind direction and full loop ends. The M-43CS has a spring rate of 4.1 lbs/inch, making it suitable for a variety of applications.

At Century Spring, we pride ourselves on our fast shipping and extensive stock inventory. We understand the importance of timely delivery, which is why we strive to quickly process and ship orders. Our products, including the M-43CS, are proudly made in the United States. With our commitment to quality and efficiency, you can trust Century Spring to provide you with the springs you need for your projects.

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Ends Full Loop
Finish Zinc
Initial Tension 0.2 lb
Length 0.5 in
Material Music Wire
Outside Diameter 0.188 in
Part Type Standard
Rate 4.1 lbs/in
SKU M-43CS
Sugg Max Deflection 0.43 in
Sugg Max Load 1.9 lbf
Wind Direction Left
Wire Diameter 0.019 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Full Loop
Finish Zinc
Initial Tension 0.09 kg
Length 12.7 mm
Material Music Wire
Outside Diameter 4.78 mm
Part Type Standard
Rate 0.72 N/mm
SKU M-43CS
Sugg Max Deflection 10.92 mm
Sugg Max Load 8.45 N
Wind Direction Left
Wire Diameter 0.48 mm