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5500CS - 5.44 Inch Spring Steel Extension Springs

The 5500CS is a regular extension spring manufactured by Century Spring. It features a machine hook on both ends and is finished with zinc for added durability. This spring has a free length of 5.44 inches and an initial tension of 5 pounds. Made from spring steel, it can withstand a maximum deflection of 3.8 inches and has a maximum load capacity of 26 pound force. The 5500CS has an outside diameter of 0.687 inches and a wire diameter of 0.082 inches. With a spring rate of 5.5 inches per pound, it is suitable for various extension spring applications.

At Century Spring, we take pride in our fast shipping and extensive stock inventory. Our products, including the 5500CS, are made in the United States. With our efficient shipping process and ample supply, we ensure that customers can quickly receive the high-quality springs they need for their projects.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 5 lb
Length 5.44 in
Material Spring Steel
Outside Diameter 0.687 in
Part Type Standard
Rate 5.5 lbs/in
SKU 5500CS
Sugg Max Deflection 3.8 in
Sugg Max Load 26 lbf
Wind Direction Left
Wire Diameter 0.082 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 2.27 kg
Length 138.18 mm
Material Spring Steel
Outside Diameter 17.45 mm
Part Type Standard
Rate 0.96 N/mm
SKU 5500CS
Sugg Max Deflection 96.52 mm
Sugg Max Load 115.65 N
Wind Direction Left
Wire Diameter 2.08 mm
Inventory Status
Low Stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours
Quantity Price
1 - 49 $5.44
50 - 149 $5.17
150 - 299 $4.90
300 - 499 $4.63
500 - 749 $4.08
750 - 999 $3.54
1000+ Call for price