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.

80378CS - 2 Inch Music Wire Extension Springs

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

The 80378CS is a regular extension spring manufactured by Century Spring. It is made from high-quality Music Wire and has a clean, unfinished appearance. This spring has a wire diameter of 0.03 Inch and an outside diameter of 0.3 inches. With a free length of 2 inches, it provides a maximum deflection of 3.7 Inch and has an initial tension of 0.4 Pound. The 80378CS has a spring rate of 1.1 lbs/inch and can withstand a maximum load of 4.4 Pound Force. It features full loop ends for secure attachment. This standard extension spring is suitable for a variety of applications.

At Century Spring, we take pride in our fast shipping and extensive stock inventory. Our products, including the 80378CS, are made right here in the United States. We understand the importance of timely delivery and ensuring that our customers have access to the springs they need. With our efficient shipping process and ample supply, Century Spring is committed to meeting our customers' requirements promptly and reliably.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Full Loop
Finish None
Initial Tension 0.4 lb
Length 2 in
Material Music Wire
Outside Diameter 0.3 in
Part Type Standard
Rate 1.1 lbs/in
SKU 80378CS
Sugg Max Deflection 3.7 in
Sugg Max Load 4.4 lbf
Wind Direction Left
Wire Diameter 0.03 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Full Loop
Finish None
Initial Tension 0.18 kg
Length 50.8 mm
Material Music Wire
Outside Diameter 7.62 mm
Part Type Standard
Rate 0.19 N/mm
SKU 80378CS
Sugg Max Deflection 93.98 mm
Sugg Max Load 19.57 N
Wind Direction Left
Wire Diameter 0.76 mm