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5383CS - 1.25 Inch Spring Steel Extension Springs

The 5383CS is a regular extension spring manufactured by Century Spring. It is made from spring steel with a zinc finish, ensuring durability and corrosion resistance. This spring has a free length of 1.25 inches and an outside diameter of 0.453 inches. It has an initial tension of 0.5 pound and a maximum deflection of 0.52 inches. The 5383CS has a maximum load capacity of 4.6 pound force and a spring rate of 7.8 inches per pound. With its extended hook ends and left wind direction, this spring is suitable for various extension applications.

At Century Spring, we take pride in our fast shipping and extensive stock inventory. We understand the importance of timely delivery, and our efficient shipping process ensures that customers receive their orders promptly. Additionally, our significant stock inventory ensures that we have the springs you need readily available. As an American company, we are committed to manufacturing our products in the United States, maintaining high quality standards. Trust Century Spring for reliable shipping, ample stock, and quality springs for your projects.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Extended Hook
Finish Zinc
Initial Tension 0.5 lb
Length 1.25 in
Material Spring Steel
Outside Diameter 0.453 in
Part Type Standard
Rate 7.8 lbs/in
SKU 5383CS
Sugg Max Deflection 0.52 in
Sugg Max Load 4.6 lbf
Wind Direction Left
Wire Diameter 0.039 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Extended Hook
Finish Zinc
Initial Tension 0.23 kg
Length 31.75 mm
Material Spring Steel
Outside Diameter 11.51 mm
Part Type Standard
Rate 1.37 N/mm
SKU 5383CS
Sugg Max Deflection 13.21 mm
Sugg Max Load 20.46 N
Wind Direction Left
Wire Diameter 0.99 mm
Inventory Status
In-stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours
Quantity Price
1 - 49 $2.61
50 - 149 $2.48
150 - 299 $2.35
300 - 499 $2.22
500 - 749 $1.96
750 - 999 $1.70
1000+ Call for price