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5503CS - 2.75 Inch High Carbon Steel Extension Springs

The 5503CS is a regular extension spring manufactured by Century Spring. It is made from High Carbon steel and has a zinc finish. This spring has a wire diameter of 0.0625 inches, an outer diameter of 0.625 inches, and a free length of 2.75 inches. It has an initial tension of 2 pounds and a maximum deflection of 2.8 inches. The 5503CS has a spring rate of 3.8 inches per pound and a maximum load of 13 pound force. It features machine hook ends and a left wind direction. The 5503CS is a standard extension spring suitable for various applications.

At Century Spring, we pride ourselves on our fast shipping and extensive stock inventory. Our products, including the 5503CS, are proudly made in the United States. With our efficient shipping process and ample supply, Century Spring ensures 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 2 lb
Length 2.75 in
Material High Carbon Steel
Outside Diameter 0.625 in
Part Type Standard
Rate 3.8 lbs/in
SKU 5503CS
Sugg Max Deflection 2.8 in
Sugg Max Load 13 lbf
Wind Direction Left
Wire Diameter 0.0625 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 0.91 kg
Length 69.85 mm
Material High Carbon Steel
Outside Diameter 15.88 mm
Part Type Standard
Rate 0.67 N/mm
SKU 5503CS
Sugg Max Deflection 71.12 mm
Sugg Max Load 57.82 N
Wind Direction Left
Wire Diameter 1.59 mm
Inventory Status
In-stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours
Quantity Price
1 - 49 $3.75
50 - 149 $3.57
150 - 299 $3.38
300 - 499 $3.19
500 - 749 $2.82
750 - 999 $2.44
1000+ Call for price