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.

408CS - 1 Inch Phosphor Bronze Extension Springs

The 408CS is a regular extension spring manufactured by Century Spring. It features double loop ends and is made from phosphor bronze material. This spring has a free length of 1 inch and an initial tension of 0.9 pound. With a maximum deflection of 0.38 inch and a maximum load capacity of 2.4 pound force, the 408CS is a reliable choice for various applications. It has an outside diameter of 0.25 inch and a wire diameter of 0.032 inches. The spring rate is 4.2 inches per pound. This standard-sized extension spring is suitable for your project needs.

At Century Spring, we take pride in our fast shipping and extensive stock inventory. We understand the importance of timely delivery, and that's why we ensure quick shipment of our products, including the 408CS. Additionally, all our springs are proudly made in the United States, ensuring high-quality craftsmanship and manufacturing standards. With our reliable shipping and ample supply, Century Spring is your go-to source for springs, providing you with the products you need for your projects efficiently and conveniently.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Double Loop
Finish None
Initial Tension 0.9 lb
Length 1 in
Material Phosphor Bronze
Outside Diameter 0.25 in
Part Type Standard
Rate 4.2 lbs/in
SKU 408CS
Sugg Max Deflection 0.38 in
Sugg Max Load 2.4 lbf
Wind Direction Left
Wire Diameter 0.032 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Double Loop
Finish None
Initial Tension 0.41 kg
Length 25.4 mm
Material Phosphor Bronze
Outside Diameter 6.35 mm
Part Type Standard
Rate 0.74 N/mm
SKU 408CS
Sugg Max Deflection 9.65 mm
Sugg Max Load 10.68 N
Wind Direction Left
Wire Diameter 0.81 mm
Inventory Status
In-stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours
Quantity Price
1 - 49 $2.84
50 - 149 $2.70
150 - 299 $2.56
300 - 499 $2.42
500 - 749 $2.13
750 - 999 $1.85
1000+ Call for price