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5438CS - 7.50 Inch Spring Steel Extension Springs

The 5438CS is a regular extension spring manufactured by Century Spring. It is made from spring steel and features a zinc finish. This spring has a wire diameter of 0.0625 inches, an outside diameter of 0.75 inches, and a free length of 7.5 Inches. It has an initial tension of 1 Pound and a maximum deflection of 15 Inches. The 5438CS has a spring rate of 0.63 inches per pound and a maximum load of 10 Pound Force. It is equipped with machine hooks on both ends. This extension spring is suitable for a variety of applications.

At Century Spring, we pride ourselves on our fast shipping and extensive stock inventory. We understand the importance of timely delivery and strive to ensure that our customers receive their springs promptly. Additionally, all of our products, including the 5438CS, are proudly made in the United States. With our reliable shipping and ample supply, Century Spring is your go-to source for high-quality springs for any project.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 1 lb
Length 7.5 in
Material Spring Steel
Outside Diameter 0.75 in
Part Type Standard
Rate 0.63 lbs/in
SKU 5438CS
Sugg Max Deflection 15 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 190.5 mm
Material Spring Steel
Outside Diameter 19.05 mm
Part Type Standard
Rate 0.11 N/mm
SKU 5438CS
Sugg Max Deflection 381 mm
Sugg Max Load 44.48 N
Wind Direction Left
Wire Diameter 1.59 mm
Inventory Status
In-stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours
Quantity Price
1 - 49 $6.23
50 - 149 $5.92
150 - 299 $5.61
300 - 499 $5.30
500 - 749 $4.68
750 - 999 $4.05
1000+ Call for price