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.

301CS - 2.31 Inch Music Wire Extension Springs

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

The 301CS is a regular extension spring manufactured by Century Spring. It is made from high-quality Music Wire and features a durable zinc finish. This spring has a wire diameter of 0.03 Inch and an outer diameter of 0.25 inches. With a free length of 2.31 inches, it provides a maximum deflection of 2.9 inches. The 301CS has an initial tension of 0.7 Pound and can withstand a maximum load of 5.4 Pound Force. Its left wind direction and full loop ends make it easy to install and secure. As a standard extension spring, it is suitable for a wide range of applications.

Century Spring takes pride in offering fast shipping and maintaining a significant stock inventory. We understand the importance of timely delivery, which is why we ensure that our products, including the 301CS, are readily available for prompt shipment. Furthermore, we are proud to manufacture our springs in the United States, ensuring superior quality and supporting local businesses. With Century Spring, you can trust that you'll receive reliable and high-performing springs for your projects in a timely manner.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Full Loop
Finish Zinc
Initial Tension 0.7 lb
Length 2.31 in
Material Music Wire
Outside Diameter 0.25 in
Part Type Standard
Rate 1.7 lbs/in
SKU 301CS
Sugg Max Deflection 2.9 in
Sugg Max Load 5.4 lbf
Wind Direction Left
Wire Diameter 0.03 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Full Loop
Finish Zinc
Initial Tension 0.32 kg
Length 58.67 mm
Material Music Wire
Outside Diameter 6.35 mm
Part Type Standard
Rate 0.3 N/mm
SKU 301CS
Sugg Max Deflection 73.66 mm
Sugg Max Load 24.02 N
Wind Direction Left
Wire Diameter 0.76 mm