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5384CS - 3.38 Inch Spring Steel Extension Springs

The 5384CS is a regular extension spring manufactured by Century Spring. It features machine hook ends and a zinc finish. With a free length of 3.38 inches, this spring has an initial tension of 2 pounds. Made from spring steel, it can withstand a maximum deflection of 2.3 inches and a maximum load of 12 pounds force. The 5384CS has an outside diameter of 0.437 inches and a wire diameter of 0.054 inches. Its spring rate is 4.3 inch-pounds. This standard spring is suitable for a variety of applications.

At Century Spring, we take pride in our fast shipping and extensive inventory. We understand the importance of timely delivery, which is why we ensure that our products, including the 5384CS, are promptly shipped to our customers. Additionally, all our springs are proudly made in the United States. With our reliable shipping and ample stock, Century Spring is committed to providing customers with the springs they need for their projects.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 2 lb
Length 3.38 in
Material Spring Steel
Outside Diameter 0.437 in
Part Type Standard
Rate 4.3 lbs/in
SKU 5384CS
Sugg Max Deflection 2.3 in
Sugg Max Load 12 lbf
Wind Direction Left
Wire Diameter 0.054 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 0.91 kg
Length 85.85 mm
Material Spring Steel
Outside Diameter 11.1 mm
Part Type Standard
Rate 0.75 N/mm
SKU 5384CS
Sugg Max Deflection 58.42 mm
Sugg Max Load 53.38 N
Wind Direction Left
Wire Diameter 1.37 mm
Inventory Status
In-stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours
Quantity Price
1 - 49 $4.29
50 - 149 $4.08
150 - 299 $3.87
300 - 499 $3.65
500 - 749 $3.22
750 - 999 $2.79
1000+ Call for price