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5003CS - 4.50 Inch Spring Steel Extension Springs

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

The 5003CS 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 0.049 inches, an outside diameter of 0.5 inches, and a free length of 4.5 inches. It has an initial tension of 1 Pound and a maximum deflection of 5.6 inches. The 5003CS has a spring rate of 1.3 inches per pound and can withstand a maximum load of 8.2 Pound Force. It has side loop ends and is suitable for various extension spring applications.

At Century Spring, we pride ourselves on our fast shipping and extensive stock inventory. We understand the importance of prompt delivery and being able to meet our customers' needs quickly. With our significant stock of springs, including the 5003CS, we ensure that our customers have access to the products they require for their projects. Additionally, we take pride in the fact that all of our springs are made in the United States, ensuring high quality and supporting American manufacturing.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Side Loop
Finish Zinc
Initial Tension 1 lb
Length 4.5 in
Material Spring Steel
Outside Diameter 0.5 in
Part Type Standard
Rate 1.3 lbs/in
SKU 5003CS
Sugg Max Deflection 5.6 in
Sugg Max Load 8.2 lbf
Wind Direction Left
Wire Diameter 0.049 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Side Loop
Finish Zinc
Initial Tension 0.45 kg
Length 114.3 mm
Material Spring Steel
Outside Diameter 12.7 mm
Part Type Standard
Rate 0.23 N/mm
SKU 5003CS
Sugg Max Deflection 142.24 mm
Sugg Max Load 36.47 N
Wind Direction Left
Wire Diameter 1.24 mm