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5590CS - 3 Inch Spring Steel Extension Springs

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

The 5590CS is a regular extension spring from Century Spring. It features machine hook ends and is finished with zinc for added durability. This spring has a free length of 3 inches and an initial tension of 3 pounds. Made from spring steel, it can withstand a maximum deflection of 1.1 inches and support a maximum load of 10 pound force. With an outside diameter of 0.25 inches and a wire diameter of 0.041 inches, this spring has a spring rate of 7.1 inches per pound. It is designed for standard measurements and weighs 0.0168 pounds. The 5590CS is a reliable extension spring suitable for a variety of applications.

At Century Spring, we pride ourselves on our fast shipping and extensive stock inventory. We understand the importance of timely delivery, which is why we ensure that your ordered parts, including the 5590CS, will be shipped promptly. Additionally, as a US-based company, we take pride in manufacturing our springs in the United States. This allows us to maintain high-quality standards and support local businesses. With Century Spring, you can rely on our efficient shipping process and our commitment to providing top-notch American-made springs.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 3 lb
Length 3 in
Material Spring Steel
Outside Diameter 0.25 in
Part Type Standard
Rate 7.1 lbs/in
SKU 5590CS
Sugg Max Deflection 1.1 in
Sugg Max Load 10 lbf
Wind Direction Left
Wire Diameter 0.041 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 1.36 kg
Length 76.2 mm
Material Spring Steel
Outside Diameter 6.35 mm
Part Type Standard
Rate 1.24 N/mm
SKU 5590CS
Sugg Max Deflection 27.94 mm
Sugg Max Load 44.48 N
Wind Direction Left
Wire Diameter 1.04 mm