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.

B-409CS - 0.50 Inch Music Wire Compression Springs

Inventory:           
Estimated Lead Time

The B-409CS is a regular compression spring manufactured by Century Spring. It is made from Music Wire and has a zinc finish. This spring has a wire diameter of 0.016 inches, an outer diameter of 0.125 inches, and a free length of 0.5 inches. It has a spring rate of 7.1 lbs/inch and a maximum load of 1.9 Pound Force. The B-409CS is a closed-end spring, meaning the ends are squared. It is a standard compression spring and is suitable for various applications.

At Century Spring, we pride ourselves on our fast shipping and extensive stock inventory. Our products, including the B-409CS, are proudly made in the United States. With our efficient shipping process and ample supply, we ensure that our customers can quickly receive the high-quality springs they need for their projects. Trust Century Spring for reliable service and top-notch products.

Download CAD
Unit System
Specs (in standard)
Label Value
Brand Century Spring
Ends Closed
Finish Zinc
Free Length 0.5 in
Inside Diameter 0.093 in
Material Music Wire
Outside Diameter 0.125 in
Part Type Standard
Rate 7.1 lbs/in
SKU B-409CS
Solid Length 0.21 in
Suggested Max Deflection 0.27 in
Suggested Max Load 1.9 lbf
Total Coils 12.3
Wire Diameter 0.016 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Closed
Finish Zinc
Free Length 12.7 mm
Inside Diameter 2.36 mm
Material Music Wire
Outside Diameter 3.18 mm
Part Type Standard
Rate 1.24 N/mm
SKU B-409CS
Solid Length 5.33 mm
Suggested Max Deflection 6.86 mm
Suggested Max Load 8.45 N
Total Coils 12.3
Wire Diameter 0.41 mm