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5490CS - 5.09 Inch Spring Steel Extension Springs

The 5490CS is a regular extension spring manufactured by Century Spring. It features a zinc finish and is made from durable spring steel. This spring has a wire diameter of 0.072 Inch and an outside diameter of 0.562 inches. With a free length of 5.09 Inches, it provides an initial tension of 4 Pound and can handle a maximum load of 22 Pound Force. The 5490CS is a left-wound spring with machine hook ends. It has a maximum deflection of 3.1 Inches and a spring rate of 5.5 inches per pound. This standard extension spring is suitable for a wide range of applications.

At Century Spring, we pride ourselves on our fast shipping and extensive stock inventory. We understand the importance of getting the right springs promptly, which is why we ensure quick delivery. Additionally, all our products, including the 5490CS, are proudly made in the United States. With our reliable shipping and ample supply, Century Spring is dedicated to providing customers with the springs they need for their projects in a timely manner.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 4 lb
Length 5.09 in
Material Spring Steel
Outside Diameter 0.562 in
Part Type Standard
Rate 5.5 lbs/in
SKU 5490CS
Sugg Max Deflection 3.1 in
Sugg Max Load 22 lbf
Wind Direction Left
Wire Diameter 0.072 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 1.81 kg
Length 129.29 mm
Material Spring Steel
Outside Diameter 14.27 mm
Part Type Standard
Rate 0.96 N/mm
SKU 5490CS
Sugg Max Deflection 78.74 mm
Sugg Max Load 97.86 N
Wind Direction Left
Wire Diameter 1.83 mm
Inventory Status
In-stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours
Quantity Price
1 - 49 $5.69
50 - 149 $5.41
150 - 299 $5.13
300 - 499 $4.84
500 - 749 $4.27
750 - 999 $3.70
1000+ Call for price