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104CS - 4 Inch High Carbon Steel Extension Springs

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

The 104CS is a regular extension spring manufactured by Century Spring. It features a machine hook on both ends, allowing for easy installation and secure attachment. This spring is made from High Carbon steel with a zinc finish, providing durability and corrosion resistance. It has a free length of 4 inches and an initial tension of 2 pounds, ensuring proper extension and tension. With a maximum deflection of 2.8 inches and a maximum load of 8.1 pound force, this spring offers reliable performance for various applications. The 104CS has an outside diameter of 0.312 inches and a wire diameter of 0.041 inches. Its spring rate is 2.4 inches per pound, providing the right balance of flexibility and strength. With its left wind direction, this spring is suitable for specific projects that require this orientation. The 104CS is a standard extension spring that meets the needs of various industries and applications.

At Century Spring, we prioritize our customers' satisfaction by offering fast shipping and maintaining a significant stock inventory. We understand the importance of timely delivery, and our efficient shipping ensures that you receive your springs promptly. Additionally, our substantial stock inventory means that you can rely on us to have the springs you need readily available. We take pride in manufacturing our springs in the United States, ensuring high-quality craftsmanship and supporting local industries. With Century Spring, you can trust that you are receiving top-notch products made with precision and care.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 2 lb
Length 4 in
Material High Carbon Steel
Outside Diameter 0.312 in
Part Type Standard
Rate 2.4 lbs/in
SKU 104CS
Sugg Max Deflection 2.8 in
Sugg Max Load 8.1 lbf
Wind Direction Left
Wire Diameter 0.041 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 0.91 kg
Length 101.6 mm
Material High Carbon Steel
Outside Diameter 7.92 mm
Part Type Standard
Rate 0.42 N/mm
SKU 104CS
Sugg Max Deflection 71.12 mm
Sugg Max Load 36.03 N
Wind Direction Left
Wire Diameter 1.04 mm