S-550CS - 1.38 Inch 302/304 Stainless Steel Extension Springs
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The S-550CS 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 0.041 inches, an outside diameter of 0.312 inches, and a free length of 1.38 inches. It has an initial tension of 1 Pound and a maximum deflection of 0.84 inches. The S-550CS has a spring rate of 7.4 lbs/inch and a maximum load of 7.6 Pound Force. It is equipped with machine hooks on both ends, allowing for easy installation. The S-550CS is a reliable extension spring suitable for a variety of applications.
Century Spring offers fast shipping and maintains a significant stock inventory. We take pride in manufacturing our products, including the S-550CS, in the United States. With our efficient shipping process and ample supply, Century Spring ensures that you can quickly receive the high-quality springs you need for your projects.


Label | Value |
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Brand | Century Spring |
Ends | Machine Hook |
Finish | None |
Initial Tension | 1 lb |
Length | 1.38 in |
Material | 302/304 Stainless Steel |
Outside Diameter | 0.312 in |
Part Type | Standard |
Rate | 7.4 lbs/in |
SKU | S-550CS |
Sugg Max Deflection | 0.84 in |
Sugg Max Load | 7.6 lbf |
Wind Direction | Left |
Wire Diameter | 0.041 in |
Label | Value |
---|---|
Brand | Century Spring |
Ends | Machine Hook |
Finish | None |
Initial Tension | 0.45 kg |
Length | 35.05 mm |
Material | 302/304 Stainless Steel |
Outside Diameter | 7.92 mm |
Part Type | Standard |
Rate | 1.3 N/mm |
SKU | S-550CS |
Sugg Max Deflection | 21.34 mm |
Sugg Max Load | 33.8 N |
Wind Direction | Left |
Wire Diameter | 1.04 mm |