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4066CS - 27.30 Inch Spring Steel Extension Springs

Inventory Status
Low Stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours

The 4066CS is a regular extension spring manufactured by Century Spring. This spring is made from spring steel and has a machine hook on both ends. It has a free length of 27.3 inches and an initial tension of 17 pounds. The maximum deflection of this spring is 25 inches, and it can withstand a maximum load of 94 pound force. The outside diameter of the spring is 1.671 inches, and it has a wire diameter of 0.177 inches. With a spring rate of 3 inches per pound, this spring is suitable for various applications.

At Century Spring, we understand the importance of fast shipping and maintaining a significant stock inventory. We take pride in manufacturing our products, including the 4066CS, in the United States. With our efficient shipping processes and ample supply, we ensure that our customers can quickly receive the springs they need for their projects.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish None
Initial Tension 17 lb
Length 27.3 in
Material Spring Steel
Outside Diameter 1.671 in
Part Type Standard
Rate 3 lbs/in
SKU 4066CS
Sugg Max Deflection 25 in
Sugg Max Load 94 lbf
Wind Direction Left
Wire Diameter 0.177 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish None
Initial Tension 7.71 kg
Length 693.42 mm
Material Spring Steel
Outside Diameter 42.44 mm
Part Type Standard
Rate 0.53 N/mm
SKU 4066CS
Sugg Max Deflection 635 mm
Sugg Max Load 418.11 N
Wind Direction Left
Wire Diameter 4.5 mm