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5320CS - 11 Inch Spring Steel Extension Springs

The 5320CS is a regular extension spring manufactured by Century Spring. It features a zinc finish and is made from spring steel. This spring has a free length of 11 inches and an initial tension of 6 pounds. With a maximum deflection of 7.8 inches and a maximum load of 31 pound force, the 5320CS is a reliable and durable choice. It has an outside diameter of 0.75 inches and a wire diameter of 0.091 inches, making it suitable for various applications. This left-wound spring has machine hook ends and a spring rate of 3.2 inches per pound.

At Century Spring, we understand the importance of prompt delivery and a wide selection. That's why we offer fast shipping and maintain a significant stock inventory. Our springs, including the 5320CS, are proudly made in the United States, ensuring quality and reliability. With our efficient shipping and ample supply, Century Spring is dedicated to providing our customers with the springs they need for their projects, quickly and conveniently.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 6 lb
Length 11 in
Material Spring Steel
Outside Diameter 0.75 in
Part Type Standard
Rate 3.2 lbs/in
SKU 5320CS
Sugg Max Deflection 7.8 in
Sugg Max Load 31 lbf
Wind Direction Left
Wire Diameter 0.091 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 2.72 kg
Length 279.4 mm
Material Spring Steel
Outside Diameter 19.05 mm
Part Type Standard
Rate 0.56 N/mm
SKU 5320CS
Sugg Max Deflection 198.12 mm
Sugg Max Load 137.89 N
Wind Direction Left
Wire Diameter 2.31 mm
Inventory Status
In-stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours
Quantity Price
1 - 49 $12.01
50 - 149 $11.41
150 - 299 $10.81
300 - 499 $10.21
500 - 749 $9.01
750 - 999 $7.81
1000+ Call for price