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565CS - 3 Inch Spring Steel Extension Springs

The 565CS is a regular extension spring manufactured by Century Spring. It features a machine hook on both ends for easy installation. Made from spring steel with a zinc finish, this spring has a free length of 3 inches and an initial tension of 1 pound. With a maximum deflection of 3 inches and a maximum load of 6.5 pounds force, it is suitable for various applications. The 565CS has an outer diameter of 0.375 inches and a wire diameter of 0.041 inches. With a spring rate of 1.8 inches per pound, it provides reliable performance.

At Century Spring, we take pride in our fast shipping and extensive stock inventory. We understand the importance of timely delivery for your projects, which is why we ensure prompt shipment of our products, including the 565CS. Additionally, all our springs are proudly made in the United States, guaranteeing quality and supporting local manufacturing. With Century Spring, you can trust that you'll receive the springs you need quickly and confidently.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 1 lb
Length 3 in
Material Spring Steel
Outside Diameter 0.375 in
Part Type Standard
Rate 1.8 lbs/in
SKU 565CS
Sugg Max Deflection 3 in
Sugg Max Load 6.5 lbf
Wind Direction Left
Wire Diameter 0.041 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 0.45 kg
Length 76.2 mm
Material Spring Steel
Outside Diameter 9.53 mm
Part Type Standard
Rate 0.32 N/mm
SKU 565CS
Sugg Max Deflection 76.2 mm
Sugg Max Load 28.91 N
Wind Direction Left
Wire Diameter 1.04 mm
Inventory Status
In-stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours
Quantity Price
1 - 49 $3.43
50 - 149 $3.26
150 - 299 $3.09
300 - 499 $2.92
500 - 749 $2.58
750 - 999 $2.23
1000+ Call for price