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5121CS - 2.34 Inch Spring Steel Extension Springs

Inventory Status
Estimated Lead Time

The 5121CS 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 0.041 inches, an outside diameter of 0.281 inches, and a free length of 2.34 inches. It has an initial tension of 2 Pound and a maximum deflection of 1.1 inches. The 5121CS has a spring rate of 6.5 lbs/inch and a maximum load of 9 Pound Force. It features double side loop ends and is suitable for various extension spring applications.

At Century Spring, we take pride in our fast shipping and extensive stock inventory. We understand the importance of timely delivery and strive to provide quick turnaround times for our customers. Additionally, all of our springs, including the 5121CS, are proudly made in the United States. Our commitment to quality and reliability ensures that you can trust our products for your spring needs. With Century Spring, you can count on efficient shipping and ample supply to meet your project requirements.

Download CAD
Unit System
Specs (in standard)
Label Value
Brand Century Spring
Ends Double Side Loop
Finish Zinc
Initial Tension 2 lb
Length 2.34 in
Material Spring Steel
Outside Diameter 0.281 in
Part Type Standard
Rate 6.5 lbs/in
SKU 5121CS
Sugg Max Deflection 1.1 in
Sugg Max Load 9 lbf
Wind Direction Left
Wire Diameter 0.041 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Double Side Loop
Finish Zinc
Initial Tension 0.91 kg
Length 59.44 mm
Material Spring Steel
Outside Diameter 7.14 mm
Part Type Standard
Rate 1.14 N/mm
SKU 5121CS
Sugg Max Deflection 27.94 mm
Sugg Max Load 40.03 N
Wind Direction Left
Wire Diameter 1.04 mm