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J-45CS - 0.50 Inch Music Wire Extension Springs

Inventory Status
Estimated Lead Time

The J-45CS is a regular extension spring manufactured by Century Spring. It is made from Music Wire and has a zinc finish. This spring has a wire diameter of 0.02 inches, an outer diameter of 0.188 inches, and a free length of 0.5 inches. It has an initial tension of 0.2 Pound and a maximum deflection of 0.38 inches. The J-45CS has a spring rate of 5.4 lbs/inch and a maximum load of 2.2 Pound Force. It is a full loop spring, meaning the ends are closed. The J-45CS is a standard extension spring 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 that our products, including the J-45CS, are made in the United States. With our reliable shipping and ample supply, Century Spring is your go-to source for high-quality springs that meet your needs.

Download CAD
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 5.4 lbs/in
SKU J-45CS
Sugg Max Deflection 0.38 in
Sugg Max Load 2.2 lbf
Wind Direction Left
Wire Diameter 0.02 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 0.95 N/mm
SKU J-45CS
Sugg Max Deflection 9.65 mm
Sugg Max Load 9.79 N
Wind Direction Left
Wire Diameter 0.51 mm