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5161CS - 3.25 Inch High Carbon Steel Extension Springs

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

The 5161CS is a regular extension spring manufactured by Century Spring. It is made from High Carbon steel and has a zinc finish. This spring has a wire diameter of 0.105 inches, an outside diameter of 0.75 inches, and a free length of 3.25 inches. It has an initial tension of 11 Pound and a maximum deflection of 1.2 inches. The 5161CS has a spring rate of 31 lbs/inch and a maximum load of 50 Pound Force. It features machine hook ends and a left wind direction. This extension spring is suitable for various applications.

At Century Spring, we take pride in offering fast shipping and maintaining a significant stock inventory. Our products, including the 5161CS, are made in the United States. With our reliable shipping and ample supply, Century Spring ensures that you can quickly receive the springs you need for your projects.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 11 lb
Length 3.25 in
Material High Carbon Steel
Outside Diameter 0.75 in
Part Type Standard
Rate 31 lbs/in
SKU 5161CS
Sugg Max Deflection 1.2 in
Sugg Max Load 50 lbf
Wind Direction Left
Wire Diameter 0.105 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 4.99 kg
Length 82.55 mm
Material High Carbon Steel
Outside Diameter 19.05 mm
Part Type Standard
Rate 5.43 N/mm
SKU 5161CS
Sugg Max Deflection 30.48 mm
Sugg Max Load 222.4 N
Wind Direction Left
Wire Diameter 2.67 mm