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5939CS - 5 Inch Spring Steel Extension Springs

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

The 5939CS is a regular extension spring manufactured by Century Spring. It is made from spring steel and has a zinc finish. This spring has a wire diameter of 0.0625 inches, an outer diameter of 0.5 inches, and a free length of 5 inches. It has an initial tension of 3 Pound and a maximum deflection of 3.6 inches. The 5939CS has a spring rate of 3.8 lbs/inch and can withstand a maximum load of 17 Pound Force. It features full loop ends, offering secure attachment. The 5939CS is a reliable extension spring suitable for a wide range of applications.

Century Spring prides itself on fast shipping and maintaining a significant stock inventory. Our products, including the 5939CS, are proudly made in the United States. With our efficient 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 Full Loop
Finish Zinc
Initial Tension 3.6 lb
Length 5 in
Material Spring Steel
Outside Diameter 0.5 in
Part Type Standard
Rate 3.8 lbs/in
SKU 5939CS
Sugg Max Deflection 3.6 in
Sugg Max Load 17 lbf
Wind Direction Left
Wire Diameter 0.0625 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Full Loop
Finish Zinc
Initial Tension 1.63 kg
Length 127 mm
Material Spring Steel
Outside Diameter 12.7 mm
Part Type Standard
Rate 0.67 N/mm
SKU 5939CS
Sugg Max Deflection 91.44 mm
Sugg Max Load 75.62 N
Wind Direction Left
Wire Diameter 1.59 mm