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5576CS - 5.75 Inch Spring Steel Extension Springs

The 5576CS is a regular extension spring manufactured by Century Spring. It is made from spring steel and has a zinc finish. This spring has a wire diameter of 0.047 inches, an outside diameter of 0.484 inches, and a free length of 5.75 inches. It has an initial tension of 1 Pound and a maximum deflection of 5.4 inches. The 5576CS has a spring rate of 1.2 inches per pound and a maximum load of 7.5 Pound Force. It has extended hook ends, making it easy to attach and secure. The 5576CS is a reliable and versatile extension spring suitable for various applications.

At Century Spring, we understand the importance of fast shipping and having a wide selection of products in stock. We take pride in our significant stock inventory and ensure that our customers can quickly receive the springs they need for their projects. All of our springs, including the 5576CS, are proudly made in the United States. With Century Spring, you can trust in the quality and availability of our products to meet your spring requirements efficiently.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Extended Hook
Finish Zinc
Initial Tension 1 lb
Length 5.75 in
Material Spring Steel
Outside Diameter 0.484 in
Part Type Standard
Rate 1.2 lbs/in
SKU 5576CS
Sugg Max Deflection 5.4 in
Sugg Max Load 7.5 lbf
Wind Direction Left
Wire Diameter 0.047 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Extended Hook
Finish Zinc
Initial Tension 0.45 kg
Length 146.05 mm
Material Spring Steel
Outside Diameter 12.29 mm
Part Type Standard
Rate 0.21 N/mm
SKU 5576CS
Sugg Max Deflection 137.16 mm
Sugg Max Load 33.36 N
Wind Direction Left
Wire Diameter 1.19 mm
Inventory Status
In-stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours
Quantity Price
1 - 49 $5.47
50 - 149 $5.20
150 - 299 $4.93
300 - 499 $4.65
500 - 749 $4.11
750 - 999 $3.56
1000+ Call for price