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5551CS - 1.50 Inch Spring Steel Extension Springs

Inventory:           
Estimated Lead Time

The 5551CS is a regular extension spring manufactured by Century Spring. It features a zinc finish and is made from spring steel. This spring has a wire diameter of 0.041 Inch and an outside diameter of 0.406 inches. The free length of the 5551CS is 1.5 Inches, and it has an initial tension of 0.8 Pound. The maximum deflection is 1.3 Inches, and it can handle a maximum load of 6 Pound Force. With a spring rate of 4 lbs/inch, the 5551CS is a reliable choice for various extension spring applications.

At Century Spring, we take pride in our fast shipping and extensive stock inventory. We understand that time is of the essence for our customers, which is why we ensure prompt delivery of our products. Additionally, all our springs, including the 5551CS, are proudly made in the United States. With our commitment to quality and efficiency, Century Spring is your trusted partner for all your spring needs.

Download CAD
Unit System
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 0.8 lb
Length 1.5 in
Material Spring Steel
Outside Diameter 0.406 in
Part Type Standard
Rate 4 lbs/in
SKU 5551CS
Sugg Max Deflection 1.3 in
Sugg Max Load 6 lbf
Wire Diameter 0.041 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 0.36 kg
Length 38.1 mm
Material Spring Steel
Outside Diameter 10.31 mm
Part Type Standard
Rate 0.7 N/mm
SKU 5551CS
Sugg Max Deflection 33.02 mm
Sugg Max Load 26.69 N
Wire Diameter 1.04 mm