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.

418CS - 0.47 Inch Music Wire Extension Springs

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

The 418CS is a regular extension spring manufactured by Century Spring. It is made from high-quality music wire with a zinc finish. This spring has an extended hook on both ends. It has a free length of 0.47 inch and an initial tension of 0.5 pound. The 418CS has a maximum deflection of 0.24 inch and can withstand a maximum load of 3.8 pound force. With a wire diameter of 0.023 inch and an outside diameter of 0.172 inches, it has a spring rate of 14 lbs/inch. This standard-size extension spring is suitable for a wide range of applications.

At Century Spring, we understand the importance of fast shipping and maintaining a substantial stock inventory. That's why we pride ourselves on our efficient shipping process and extensive product availability. Our springs, including the 418CS, are proudly made in the United States. Whether you need one spring or a bulk order, you can rely on Century Spring to deliver your springs quickly and efficiently. Trust us to provide the high-quality springs you need for your projects, backed by our commitment to exceptional service and American manufacturing.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Extended Hook
Finish Zinc
Initial Tension 0.5 lb
Length 0.47 in
Material Music Wire
Outside Diameter 0.172 in
Part Type Standard
Rate 14 lbs/in
SKU 418CS
Sugg Max Deflection 0.24 in
Sugg Max Load 3.8 lbf
Wind Direction Left
Wire Diameter 0.023 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Extended Hook
Finish Zinc
Initial Tension 0.23 kg
Length 11.94 mm
Material Music Wire
Outside Diameter 4.37 mm
Part Type Standard
Rate 2.45 N/mm
SKU 418CS
Sugg Max Deflection 6.1 mm
Sugg Max Load 16.9 N
Wind Direction Left
Wire Diameter 0.58 mm