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.

5185CS - 4 Inch Music Wire Extension Springs

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

The 5185CS is a regular extension spring from Century Spring. It is made from Music Wire and has a zinc finish. This spring has a wire diameter of 0.025 inches, an outer diameter of 0.234 inches, and a free length of 4 inches. It has an initial tension of 0.4 Pound and a maximum load of 3.3 Pound Force. The 5185CS is a full-loop spring, meaning the ends are designed with full loops. It has a maximum deflection of 6.7 Inch and a spring rate of 0.44 lbs/inch. This standard extension spring is suitable for various applications.

At Century Spring, we offer fast shipping and maintain a significant stock inventory. Our products, including the 5185CS, 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 Zinc
Initial Tension 0.4 lb
Length 4 in
Material Music Wire
Outside Diameter 0.234 in
Part Type Standard
Rate 0.44 lbs/in
SKU 5185CS
Sugg Max Deflection 6.7 in
Sugg Max Load 3.3 lbf
Wind Direction Left
Wire Diameter 0.025 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Full Loop
Finish Zinc
Initial Tension 0.18 kg
Length 101.6 mm
Material Music Wire
Outside Diameter 5.94 mm
Part Type Standard
Rate 0.08 N/mm
SKU 5185CS
Sugg Max Deflection 170.18 mm
Sugg Max Load 14.68 N
Wind Direction Left
Wire Diameter 0.64 mm