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.

80972CS - 4 Inch Music Wire Extension Springs

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

The 80972CS is a regular extension spring manufactured by Century Spring. It is made from Music Wire and does not have a specific finish. This spring has a wire diameter of 0.085 inches, an outer diameter of 1 inches, and a free length of 4 inches. It has an initial tension of 2 Pound and a spring rate of 3.9 lbs/inch. The maximum deflection of this spring is 6.1 Inch and it can handle a maximum load of 26 Pound Force. The 80972CS is a left-wound spring with full-loop ends, making it suitable for various extension applications.

Century Spring takes pride in its fast shipping and extensive stock inventory. We understand that time is of the essence when it comes to your projects, which is why we ensure swift delivery of our products, including the 80972CS. Additionally, all our springs are proudly made in the United States, guaranteeing their quality and reliability. With Century Spring, you can trust that you'll receive the springs you need promptly and with the assurance of American craftsmanship.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Full Loop
Finish None
Initial Tension 2 lb
Length 4 in
Material Music Wire
Outside Diameter 1 in
Part Type Standard
Rate 3.9 lbs/in
SKU 80972CS
Sugg Max Deflection 6.1 in
Sugg Max Load 26 lbf
Wind Direction Left
Wire Diameter 0.085 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Full Loop
Finish None
Initial Tension 0.91 kg
Length 101.6 mm
Material Music Wire
Outside Diameter 25.4 mm
Part Type Standard
Rate 0.68 N/mm
SKU 80972CS
Sugg Max Deflection 154.94 mm
Sugg Max Load 115.65 N
Wind Direction Left
Wire Diameter 2.16 mm