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S-543CS - 2.25 Inch 302/304 Stainless Steel Extension Springs

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Estimated Lead Time

The S-543CS is a regular extension spring manufactured by Century Spring. It is made from 302/304 Stainless Steel and has a wire diameter of 0.032 inches. This spring has an outside diameter of 0.25 Inch and a free length of 2.25 inches. It has an initial tension of 0.8 Pound and a maximum load of 4.7 Pound Force. The S-543CS is a left-wound spring with machine hook ends. It has a spring rate of 2.1 lbs/inch and a maximum deflection of 1.8 inches. This extension spring is suitable for a wide range of applications.

At Century Spring, we understand the importance of fast shipping and maintaining a significant stock inventory. We take pride in manufacturing our springs in the United States, ensuring high-quality products for our customers. With our efficient shipping process and extensive stock, Century Spring guarantees prompt delivery of the S-543CS and other springs to meet your project needs.

Download CAD
Unit System
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish None
Initial Tension 0.8 lb
Length 2.25 in
Material 302/304 Stainless Steel
Outside Diameter 0.25 in
Part Type Standard
Rate 2.1 lbs/in
SKU S-543CS
Sugg Max Deflection 1.8 in
Sugg Max Load 4.7 lbf
Wire Diameter 0.032 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish None
Initial Tension 0.36 kg
Length 57.15 mm
Material 302/304 Stainless Steel
Outside Diameter 6.35 mm
Part Type Standard
Rate 0.37 N/mm
SKU S-543CS
Sugg Max Deflection 45.72 mm
Sugg Max Load 20.91 N
Wire Diameter 0.81 mm