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5528CS - 13.30 Inch High Carbon Steel Extension Springs

The 5528CS is a regular extension spring manufactured by Century Spring. It is made from High Carbon steel and features a zinc finish. This spring has a wire diameter of 0.072 inch and an outside diameter of 0.5 inches. With a free length of 13.3 inches, it has an initial tension of 6 pounds and a maximum deflection of 6.7 inches. The 5528CS has a spring rate of 2.8 inches per pound and a maximum load of 25 pound force. It is equipped with machine hooks on both ends and winds in a left direction. As a standard extension spring, it is suitable for various applications.

At Century Spring, we pride ourselves on our fast shipping and extensive inventory. We understand the urgency of your projects and strive to deliver your springs promptly. With our significant stock, including the 5528CS, you can trust that we have the springs you need readily available. Furthermore, we are proud to manufacture our products in the United States, ensuring quality and supporting local businesses. Experience the convenience and reliability of Century Spring's fast shipping and extensive inventory for all your spring needs.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 6 lb
Length 13.3 in
Material High Carbon Steel
Outside Diameter 0.5 in
Part Type Standard
Rate 2.8 lbs/in
SKU 5528CS
Sugg Max Deflection 6.7 in
Sugg Max Load 25 lbf
Wind Direction Left
Wire Diameter 0.072 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 2.72 kg
Length 337.82 mm
Material High Carbon Steel
Outside Diameter 12.7 mm
Part Type Standard
Rate 0.49 N/mm
SKU 5528CS
Sugg Max Deflection 170.18 mm
Sugg Max Load 111.2 N
Wind Direction Left
Wire Diameter 1.83 mm
Inventory Status
Low Stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours
Quantity Price
1 - 49 $7.05
50 - 149 $6.70
150 - 299 $6.35
300 - 499 $6.00
500 - 749 $5.29
750 - 999 $4.59
1000+ Call for price