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.

5412CS - 4 Inch Spring Steel Extension Springs

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

The 5412CS is a regular extension spring manufactured by Century Spring. It features machine hook ends and a zinc finish. This spring has a free length of 4 inches and an initial tension of 5 pounds. It is made from spring steel and has a maximum deflection of 1.9 inches. With a maximum load capacity of 22 pound force, this spring is suitable for a wide range of applications. Its standard measurement units include an outside diameter of 0.468 inches and a wire diameter of 0.067 inches. The 5412CS has a spring rate of 9.1 lbs/inch and a shipping weight of 0.0682 pound.

At Century Spring, we take pride in offering fast shipping and maintaining a significant stock inventory. Our products, including the 5412CS, 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 Machine Hook
Finish Zinc
Initial Tension 5 lb
Length 4 in
Material Spring Steel
Outside Diameter 0.468 in
Part Type Standard
Rate 9.1 lbs/in
SKU 5412CS
Sugg Max Deflection 1.9 in
Sugg Max Load 22 lbf
Wind Direction Left
Wire Diameter 0.067 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 2.27 kg
Length 101.6 mm
Material Spring Steel
Outside Diameter 11.89 mm
Part Type Standard
Rate 1.59 N/mm
SKU 5412CS
Sugg Max Deflection 48.26 mm
Sugg Max Load 97.86 N
Wind Direction Left
Wire Diameter 1.7 mm