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.

81019CS - 4.50 Inch Music Wire Extension Springs

Inventory Status
In-stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours

The 81019CS is a regular extension spring manufactured by Century Spring. It is made from high-quality music wire and has a natural finish. This spring has a wire diameter of 0.125 inches, an outside diameter of 1 inches, and a free length of 4.5 inches. It has an initial tension of 6 pounds and a maximum deflection of 2.8 inches. With a maximum load capacity of 73 pounds, this extension spring is suitable for various applications. The 81019CS features full loop ends, providing secure attachment and reliable performance.

At Century Spring, we understand the importance of fast shipping and a wide selection of products. That's why we maintain a significant stock inventory, including the 81019CS extension spring. We take pride in manufacturing all our springs in the United States, ensuring the highest quality standards. With our efficient shipping processes, you can count on receiving your springs promptly to keep your projects moving forward. Trust Century Spring for all your spring needs.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Full Loop
Finish None
Initial Tension 14 lb
Length 4.5 in
Material Music Wire
Outside Diameter 1 in
Part Type Standard
Rate 24 lbs/in
SKU 81019CS
Sugg Max Deflection 2.8 in
Sugg Max Load 73 lbf
Wind Direction Left
Wire Diameter 0.125 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Full Loop
Finish None
Initial Tension 6.35 kg
Length 114.3 mm
Material Music Wire
Outside Diameter 25.4 mm
Part Type Standard
Rate 4.2 N/mm
SKU 81019CS
Sugg Max Deflection 71.12 mm
Sugg Max Load 324.7 N
Wind Direction Left
Wire Diameter 3.18 mm