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5441CS - 2.78 Inch Spring Steel Extension Springs

The 5441CS is a regular extension spring manufactured by Century Spring. It is made from spring steel with a zinc finish for added durability. This spring has a free length of 2.78 inches and an initial tension of 15 pounds. The maximum deflection is 0.64 inches, and it can handle a maximum load of 49 pound force. With an outside diameter of 0.515 inches and a wire diameter of 0.091 inches, this spring has a rate of 54 inches per pound. The 5441CS features machine hook ends and is suitable for various extension spring applications.

At Century Spring, we take pride in our fast shipping and extensive stock inventory. We understand the importance of timely delivery, and our efficient shipping process ensures that customers receive their orders promptly. Additionally, our significant stock inventory means that we have a wide range of springs readily available for immediate shipment. As a US-based manufacturer, we are committed to producing high-quality springs right here in the United States. With Century Spring, you can trust in our reliable shipping and ample supply to meet your spring needs efficiently.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 15 lb
Length 2.78 in
Material Spring Steel
Outside Diameter 0.515 in
Part Type Standard
Rate 54 lbs/in
SKU 5441CS
Sugg Max Deflection 0.64 in
Sugg Max Load 49 lbf
Wind Direction Left
Wire Diameter 0.091 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 6.8 kg
Length 70.61 mm
Material Spring Steel
Outside Diameter 13.08 mm
Part Type Standard
Rate 9.46 N/mm
SKU 5441CS
Sugg Max Deflection 16.26 mm
Sugg Max Load 217.95 N
Wind Direction Left
Wire Diameter 2.31 mm
Inventory Status
In-stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours
Quantity Price
1 - 49 $4.24
50 - 149 $4.03
150 - 299 $3.82
300 - 499 $3.61
500 - 749 $3.18
750 - 999 $2.76
1000+ Call for price