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5429CS - 5 Inch Spring Steel Extension Springs

Inventory Status
Limited Availability

The 5429CS is a regular extension spring manufactured by Century Spring. It features machine hook ends and a zinc finish. With a free length of 5 inches, this spring has an initial tension of 1 pound. Made from spring steel, it has a maximum deflection of 7.9 inches and can withstand a maximum load of 10 pound force. The 5429CS has an outside diameter of 0.75 inches and a wire diameter of 0.0625 inches. Its spring rate is 1.2 lbs/inch. This standard extension spring is suitable for various applications.

At Century Spring, we take pride in our fast shipping and substantial stock inventory. Our products, including the 5429CS, are proudly made in the United States. With our efficient shipping process and ample supply, we ensure that our customers receive the springs they need promptly and can rely on our quality and expertise for their projects.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 1 lb
Length 5 in
Material Spring Steel
Outside Diameter 0.75 in
Part Type Standard
Rate 1.2 lbs/in
SKU 5429CS
Sugg Max Deflection 7.9 in
Sugg Max Load 10 lbf
Wind Direction Left
Wire Diameter 0.0625 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 0.45 kg
Length 127 mm
Material Spring Steel
Outside Diameter 19.05 mm
Part Type Standard
Rate 0.21 N/mm
SKU 5429CS
Sugg Max Deflection 200.66 mm
Sugg Max Load 44.48 N
Wind Direction Left
Wire Diameter 1.59 mm