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S-633CS - 4.44 Inch 302/304 Stainless Steel Extension Springs

Inventory Status
Estimated Lead Time

The S-633CS 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 0.072 inches, an outside diameter of 0.843 inches, and a free length of 4.44 inches. It has an initial tension of 2 Pound and a maximum load of 13 Pound Force. The S-633CS is a left-wound spring with full loop ends. It has a spring rate of 1.8 lbs/inch and a maximum deflection of 6.3 inches. With its reliable performance and high-quality material, the S-633CS is an ideal choice for various extension spring applications.

At Century Spring, we pride ourselves on our fast shipping and extensive inventory. We understand the importance of receiving your springs quickly, so we ensure prompt delivery. Our significant stock inventory means that you can find the springs you need without delay. We are proud to manufacture all our products in the United States, ensuring superior quality and supporting the local economy. When you choose Century Spring, you can trust that you are getting reliable products and exceptional service.

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Ends Full Loop
Finish None
Initial Tension 2 lb
Length 4.44 in
Material 302/304 Stainless Steel
Outside Diameter 0.843 in
Part Type Standard
Rate 1.8 lbs/in
SKU S-633CS
Sugg Max Deflection 6.3 in
Sugg Max Load 13 lbf
Wind Direction Left
Wire Diameter 0.072 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Full Loop
Finish None
Initial Tension 0.91 kg
Length 112.78 mm
Material 302/304 Stainless Steel
Outside Diameter 21.41 mm
Part Type Standard
Rate 0.32 N/mm
SKU S-633CS
Sugg Max Deflection 160.02 mm
Sugg Max Load 57.82 N
Wind Direction Left
Wire Diameter 1.83 mm