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5501CS - 7.88 Inch Spring Steel Extension Springs

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Estimated Lead Time

The 5501CS is a regular extension spring manufactured by Century Spring. It features machine hook ends and is made from spring steel with a zinc finish. With a free length of 7.88 inches, this spring has an initial tension of 2 pounds and a maximum deflection of 6.4 inches. It can withstand a maximum load of 10 pound force and has a rate of 1.3 lbs/inch. The 5501CS has an outside diameter of 0.375 inches and a wire diameter of 0.047 inches. This standard measurement unit spring is suitable for various applications.

At Century Spring, we offer fast shipping and maintain a significant stock inventory. Our products, including the 5501CS, are proudly made in the United States. With our reliable shipping and ample supply, Century Spring ensures that customers can quickly receive the springs they need for their projects.

Download CAD
Unit System
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 2 lb
Length 7.88 in
Material Spring Steel
Outside Diameter 0.375 in
Part Type Standard
Rate 1.3 lbs/in
SKU 5501CS
Sugg Max Deflection 6.4 in
Sugg Max Load 10 lbf
Wire Diameter 0.047 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 0.91 kg
Length 200.15 mm
Material Spring Steel
Outside Diameter 9.53 mm
Part Type Standard
Rate 0.23 N/mm
SKU 5501CS
Sugg Max Deflection 162.56 mm
Sugg Max Load 44.48 N
Wire Diameter 1.19 mm