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5137CS - 4 Inch High Carbon Steel Extension Springs

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

The 5137CS is a regular extension spring made by Century Spring. It is made from High Carbon steel with a zinc finish. This spring has a wire diameter of 0.105 inches, an outside diameter of 0.593 inches, and a free length of 4 inches. It has an initial tension of 20 Pound and a maximum deflection of 0.92 inches. The 5137CS has a spring rate of 50 lbs/inch and a maximum load of 66 Pound Force. It has machine hook ends and is suitable for various applications.

At Century Spring, we pride ourselves on our fast shipping and significant stock inventory. Our products, including the 5137CS, are proudly made in the United States. With our reliable shipping and ample supply, Century Spring ensures that 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 Zinc
Initial Tension 20 lb
Length 4 in
Material High Carbon Steel
Outside Diameter 0.593 in
Part Type Standard
Rate 50 lbs/in
SKU 5137CS
Sugg Max Deflection 0.92 in
Sugg Max Load 66 lbf
Wind Direction Left
Wire Diameter 0.105 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 9.07 kg
Length 101.6 mm
Material High Carbon Steel
Outside Diameter 15.06 mm
Part Type Standard
Rate 8.76 N/mm
SKU 5137CS
Sugg Max Deflection 23.37 mm
Sugg Max Load 293.57 N
Wind Direction Left
Wire Diameter 2.67 mm