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5333CS - 3.75 Inch Spring Steel Extension Springs

The 5333CS is a regular extension spring manufactured by Century Spring. It features machine hook ends and a zinc finish. With a free length of 3.75 inches, this spring is made from spring steel and has an initial tension of 1 pound. It can withstand a maximum deflection of 4.4 inches and has a maximum load capacity of 8.2 pound force. The 5333CS has an outside diameter of 0.5 inches and a wire diameter of 0.05 inches. Its spring rate is 1.6 inches per pound, making it suitable for a variety of applications.

At Century Spring, we pride ourselves on our fast shipping and extensive inventory. We understand the importance of timely delivery, which is why we strive to get your products to you as quickly as possible. Our significant stock ensures that you can find the springs you need, including the 5333CS, without delay. And not only do we prioritize efficiency, but we also prioritize quality. All our springs are proudly made in the United States, so you can trust that you're receiving a reliable and well-crafted product for your projects.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 1 lb
Length 3.75 in
Material Spring Steel
Outside Diameter 0.5 in
Part Type Standard
Rate 1.6 lbs/in
SKU 5333CS
Sugg Max Deflection 4.4 in
Sugg Max Load 8.2 lbf
Wind Direction Left
Wire Diameter 0.05 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 0.45 kg
Length 95.25 mm
Material Spring Steel
Outside Diameter 12.7 mm
Part Type Standard
Rate 0.28 N/mm
SKU 5333CS
Sugg Max Deflection 111.76 mm
Sugg Max Load 36.47 N
Wind Direction Left
Wire Diameter 1.27 mm
Inventory Status
In-stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours
Quantity Price
1 - 49 $4.75
50 - 149 $4.52
150 - 299 $4.28
300 - 499 $4.04
500 - 749 $3.57
750 - 999 $3.09
1000+ Call for price