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5039CS - 8.44 Inch Spring Steel Extension Springs

The 5039CS 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 0.05 inches, an outside diameter of 0.562 inches, and a free length of 8.44 inches. It has an initial tension of 0.9 Pound and a maximum load of 7.4 Pound Force. The 5039CS features machine hook ends and a left wind direction. It is a reliable and durable spring suitable for a wide range of applications.

At Century Spring, we pride ourselves on our fast shipping and extensive stock inventory. We understand the importance of timely delivery, which is why we strive to ship our products quickly. Our warehouse is fully stocked with a wide variety of springs, including the 5039CS, ensuring that we have the parts you need readily available. Additionally, all of our springs are proudly made in the United States, guaranteeing high quality and craftsmanship. Trust Century Spring for all your spring needs, and experience our commitment to excellent service and American-made products.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 0.9 lb
Length 8.44 in
Material Spring Steel
Outside Diameter 0.562 in
Part Type Standard
Rate 0.43 lbs/in
SKU 5039CS
Sugg Max Deflection 15 in
Sugg Max Load 7.4 lbf
Wind Direction Left
Wire Diameter 0.05 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 0.41 kg
Length 214.38 mm
Material Spring Steel
Outside Diameter 14.27 mm
Part Type Standard
Rate 0.08 N/mm
SKU 5039CS
Sugg Max Deflection 381 mm
Sugg Max Load 32.92 N
Wind Direction Left
Wire Diameter 1.27 mm
Inventory Status
In-stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours
Quantity Price
1 - 49 $4.78
50 - 149 $4.55
150 - 299 $4.31
300 - 499 $4.07
500 - 749 $3.59
750 - 999 $3.11
1000+ Call for price