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5388CS - 1.56 Inch Spring Steel Extension Springs

The 5388CS 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 0.038 inches, an outside diameter of 0.437 inches, and a free length of 1.56 inches. It has an initial tension of 0.5 Pound and a maximum deflection of 1.9 inches. The 5388CS has a spring rate of 2 inches per pound and a maximum load of 4.4 Pound Force. It features machine hooks on both ends and is designed for various extension applications.

At Century Spring, we pride ourselves on our fast shipping and extensive stock inventory. Our products, including the 5388CS, are proudly made in the United States. With our efficient shipping process and ample supply, Century Spring ensures that customers receive the springs they need promptly. Shop with us and experience the convenience and reliability of our service.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 0.5 lb
Length 1.56 in
Material Spring Steel
Outside Diameter 0.437 in
Part Type Standard
Rate 2 lbs/in
SKU 5388CS
Sugg Max Deflection 1.9 in
Sugg Max Load 4.4 lbf
Wind Direction Left
Wire Diameter 0.038 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 0.23 kg
Length 39.62 mm
Material Spring Steel
Outside Diameter 11.1 mm
Part Type Standard
Rate 0.35 N/mm
SKU 5388CS
Sugg Max Deflection 48.26 mm
Sugg Max Load 19.57 N
Wind Direction Left
Wire Diameter 0.97 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