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.

80852CS - 4 Inch Music Wire Extension Springs

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

The 80852CS is a regular extension spring manufactured by Century Spring. It is made from Music Wire and has a natural finish. This spring has a wire diameter of 0.069 inches, an outer diameter of 0.75 inches, and a free length of 4 Inches. It has an initial tension of 2 Pound and a maximum deflection of 6.3 Inches. The 80852CS has a spring rate of 2.8 lbs/inch and a maximum load of 19 Pound Force. It is a full loop spring, meaning both ends are rounded. The 80852CS is a standard extension spring suitable for a wide range of applications.

At Century Spring, we offer fast shipping and maintain a significant stock inventory. Our products, including the 80852CS, 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
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 0.75 in
Part Type Standard
Rate 2.8 lbs/in
SKU 80852CS
Sugg Max Deflection 6.3 in
Sugg Max Load 19 lbf
Wind Direction Left
Wire Diameter 0.069 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 19.05 mm
Part Type Standard
Rate 0.49 N/mm
SKU 80852CS
Sugg Max Deflection 160.02 mm
Sugg Max Load 84.51 N
Wind Direction Left
Wire Diameter 1.75 mm