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.

ZZ1-43CS - 0.56 Inch Music Wire Extension Springs

Inventory Status
Estimated Lead Time

The ZZ1-43CS is a regular extension spring manufactured by Century Spring. It features machine hook ends and a zinc finish. This spring has a free length of 0.56 Inch and an initial tension of 1 Pound. Made from high-quality music wire, it offers a maximum deflection of 0.14 Inch and can handle a maximum load of 8.2 Pound Force. With an outside diameter of 0.188 Inch and a wire diameter of 0.031 inches, the ZZ1-43CS has a spring rate of 49 lbs/inch. It is a left-wound spring and is suitable for various extension applications.

At Century Spring, we pride ourselves on fast shipping and maintaining a significant stock inventory. Our products, including the ZZ1-43CS, 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.

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 1 lb
Length 0.56 in
Material Music Wire
Outside Diameter 0.188 in
Part Type Standard
Rate 49 lbs/in
SKU ZZ1-43CS
Sugg Max Deflection 0.14 in
Sugg Max Load 8.2 lbf
Wind Direction Left
Wire Diameter 0.031 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 0.45 kg
Length 14.22 mm
Material Music Wire
Outside Diameter 4.78 mm
Part Type Standard
Rate 8.58 N/mm
SKU ZZ1-43CS
Sugg Max Deflection 3.56 mm
Sugg Max Load 36.47 N
Wind Direction Left
Wire Diameter 0.79 mm