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S-540CS - 2.13 Inch 302/304 Stainless Steel Extension Springs

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The S-540CS is a regular extension spring manufactured by Century Spring. It is made from 302/304 Stainless Steel and has a natural finish. This spring has a wire diameter of 0.015 inches, an outside diameter of 0.25 inches, and a free length of 2.13 inches. It has an initial tension of 0.03 Pound and a maximum load of 0.48 Pound Force. The S-540CS is a full-loop spring, meaning the ends are rounded. It has a spring rate of 0.04 lbs/inch and a maximum deflection of 11 inches. This standard extension spring is suitable for various applications.

At Century Spring, we pride ourselves on our fast shipping and extensive inventory. We understand the importance of timely delivery, which is why we offer reliable and efficient shipping services. Additionally, we maintain a significant stock of springs, including the S-540CS, to ensure that our customers can easily find the springs they need. As a US-based company, we are committed to producing high-quality springs right here in the United States. Trust Century Spring for all your spring needs.

Download CAD
Unit System
Specs (in standard)
Label Value
Brand Century Spring
Ends Full Loop
Finish None
Initial Tension 0.03 lb
Length 2.13 in
Material 302/304 Stainless Steel
Outside Diameter 0.25 in
Part Type Standard
Rate 0.04 lbs/in
SKU S-540CS
Sugg Max Deflection 11 in
Sugg Max Load 0.48 lbf
Wire Diameter 0.015 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Full Loop
Finish None
Initial Tension 0.01 kg
Length 54.1 mm
Material 302/304 Stainless Steel
Outside Diameter 6.35 mm
Part Type Standard
Rate 0.01 N/mm
SKU S-540CS
Sugg Max Deflection 279.4 mm
Sugg Max Load 2.14 N
Wire Diameter 0.38 mm