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5540CS - 2.50 Inch Spring Steel Extension Springs

Inventory Status
Estimated Lead Time

The 5540CS is a regular extension spring from Century Spring. It is made from spring steel with a zinc finish. This spring has a wire diameter of 0.0625 Inch and an outside diameter of 0.437 inches. Its free length is 2.5 inches, and it has an initial tension of 4 Pound. The 5540CS has a maximum deflection of 1.1 Inch and can withstand a maximum load of 19 Pound Force. It features a left wind direction and full loop ends. With its reliable measurements and sturdy construction, the 5540CS is an ideal extension spring for a wide range of applications.

At Century Spring, we take pride in our fast shipping and extensive stock inventory. We understand the importance of timely delivery, and that's why we ensure that your orders are promptly processed and shipped. With our significant stock inventory, including the 5540CS, we have the springs you need readily available. Additionally, all our products are proudly made in the United States, meeting high-quality standards. Trust Century Spring for fast shipping, a robust stock inventory, and American-made products for all your spring needs.

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Ends Full Loop
Finish Zinc
Initial Tension 4 lb
Length 2.5 in
Material Spring Steel
Outside Diameter 0.437 in
Part Type Standard
Rate 14 lbs/in
SKU 5540CS
Sugg Max Deflection 1.1 in
Sugg Max Load 19 lbf
Wind Direction Left
Wire Diameter 0.0625 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Full Loop
Finish Zinc
Initial Tension 1.81 kg
Length 63.5 mm
Material Spring Steel
Outside Diameter 11.1 mm
Part Type Standard
Rate 2.45 N/mm
SKU 5540CS
Sugg Max Deflection 27.94 mm
Sugg Max Load 84.51 N
Wind Direction Left
Wire Diameter 1.59 mm