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5552CS - 4 Inch Spring Steel Extension Springs

Inventory Status
In-stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours

The 5552CS is a regular extension spring manufactured by Century Spring. It is made from spring steel with a zinc finish, ensuring durability and resistance to corrosion. This spring has a free length of 4 inches and an initial tension of 10 pounds. With a maximum deflection of 1.8 inches and a maximum load capacity of 45 pounds, it is suitable for a variety of applications. The 5552CS has an outside diameter of 0.812 inches and a wire diameter of 0.105 inches. It has a spring rate of 20 inch-pounds, providing reliable performance. The ends of this spring are machine hooks, allowing for easy installation.

At Century Spring, we take pride in our fast shipping and extensive stock inventory. We understand the importance of timely delivery, which is why we ensure that our customers receive their springs promptly. Additionally, all our products, including the 5552CS, are proudly made in the United States. With our commitment to quality and convenience, Century Spring is your reliable source for springs.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 10 lb
Length 4 in
Material Spring Steel
Outside Diameter 0.812 in
Part Type Standard
Rate 20 lbs/in
SKU 5552CS
Sugg Max Deflection 1.8 in
Sugg Max Load 45 lbf
Wind Direction Left
Wire Diameter 0.105 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 4.54 kg
Length 101.6 mm
Material Spring Steel
Outside Diameter 20.62 mm
Part Type Standard
Rate 3.5 N/mm
SKU 5552CS
Sugg Max Deflection 45.72 mm
Sugg Max Load 200.16 N
Wind Direction Left
Wire Diameter 2.67 mm