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5143CS - 1.88 Inch Spring Steel Extension Springs

Inventory Status
Estimated Lead Time

The 5143CS is a regular extension spring manufactured by Century Spring. This spring is made from high-quality spring steel and features a zinc finish for added durability. It has a free length of 1.88 inches and an initial tension of 11 pounds. The 5143CS has a maximum deflection of 0.52 inches and can withstand a maximum load of 43 pound force. With an outside diameter of 0.625 inches and a wire diameter of 0.094 inches, this spring has a rate of 61 lbs/inch. It is designed with machine hook ends and winds in the left direction. The 5143CS is a reliable and versatile extension spring suitable for various 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 ensure that our springs, including the 5143CS, are readily available for immediate shipment. Additionally, all of our products are proudly made in the United States, guaranteeing exceptional quality and craftsmanship. With Century Spring, you can rely on our efficient shipping and abundant supply to meet your spring needs efficiently and effectively.

Unit System
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 11 lb
Length 1.88 in
Material Spring Steel
Outside Diameter 0.625 in
Part Type Standard
Rate 61 lbs/in
SKU 5143CS
Sugg Max Deflection 0.52 in
Sugg Max Load 43 lbf
Wind Direction Left
Wire Diameter 0.094 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 4.99 kg
Length 47.75 mm
Material Spring Steel
Outside Diameter 15.88 mm
Part Type Standard
Rate 10.68 N/mm
SKU 5143CS
Sugg Max Deflection 13.21 mm
Sugg Max Load 191.26 N
Wind Direction Left
Wire Diameter 2.39 mm