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5543CS - 3.38 Inch Spring Steel Extension Springs

Inventory Status
In-stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours

The 5543CS 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 0.072 inches, an outside diameter of 0.64 inches, and a free length of 3.38 inches. It has an initial tension of 3 Pound and a maximum deflection of 2.5 inches. The 5543CS has a maximum load of 19 Pound Force and a spring rate of 6.1 lbs/inch. It features machine hook ends and is suitable for various applications.

At Century Spring, we take pride in our fast shipping and extensive stock inventory. We understand the importance of timely delivery, which is why we ensure that our products, including the 5543CS, are readily available for our customers. Additionally, all our springs are proudly made in the United States. With Century Spring, you can trust that you'll receive high-quality springs quickly and efficiently for your projects.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 3 lb
Length 3.38 in
Material Spring Steel
Outside Diameter 0.64 in
Part Type Standard
Rate 6.1 lbs/in
SKU 5543CS
Sugg Max Deflection 2.5 in
Sugg Max Load 19 lbf
Wind Direction Left
Wire Diameter 0.072 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 1.36 kg
Length 85.85 mm
Material Spring Steel
Outside Diameter 16.26 mm
Part Type Standard
Rate 1.07 N/mm
SKU 5543CS
Sugg Max Deflection 63.5 mm
Sugg Max Load 84.51 N
Wind Direction Left
Wire Diameter 1.83 mm