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100 YRS

The Countdown to 100 Years of Century Spring!

Since 1927, Century Spring Corp has been the original industry-leading spring manufacturer for both stock and custom springs. Read about 100 Years of Century Spring here.

218 DAYS

5489CS - 4.25 Inch Spring Steel Extension Springs

Inventory:           
Estimated Lead Time

The 5489CS is a regular extension spring manufactured by Century Spring. It is made from spring steel and has a zinc finish. This spring has a wire diameter of 0.0625 inches, an outside diameter of 0.5 inches, and a free length of 4.25 inches. It has an initial tension of 3 Pound and a maximum deflection of 3 inches. The 5489CS has a spring rate of 4.4 lbs/inch and a maximum load of 16 Pound Force. It features machine hook ends and is designed for various extension applications.

At Century Spring, we take pride in our fast shipping and extensive stock inventory. We understand the importance of receiving your springs promptly, which is why we prioritize efficient delivery. Additionally, our products, including the 5489CS, are proudly made in the United States. With our commitment to quality and availability, Century Spring ensures that you can rely on our springs for your projects.

Download CAD
Unit System
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 3 lb
Length 4.25 in
Material Spring Steel
Outside Diameter 0.5 in
Part Type Standard
Rate 4.4 lbs/in
SKU 5489CS
Sugg Max Deflection 3 in
Sugg Max Load 16 lbf
Wire Diameter 0.0625 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 1.36 kg
Length 107.95 mm
Material Spring Steel
Outside Diameter 12.7 mm
Part Type Standard
Rate 0.77 N/mm
SKU 5489CS
Sugg Max Deflection 76.2 mm
Sugg Max Load 71.17 N
Wire Diameter 1.59 mm