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5281CS - 5 Inch Spring Steel Extension Springs

The 5281CS is a regular extension spring manufactured by Century Spring. It features machine hook ends and a zinc finish. This spring has a free length of 5 inches and an initial tension of 1 pound. Made from spring steel, it has a maximum deflection of 9.2 inches and a maximum load capacity of 10 pound force. With an outside diameter of 0.75 inches and a wire diameter of 0.0625 inches, it has a spring rate of 1 inches per pound. This standard extension spring is suitable for various applications.

At Century Spring, we take pride in our fast shipping and extensive stock inventory. Our products, including the 5281CS, are made in the United States. We understand the importance of timely delivery and strive to ensure that our customers can quickly receive the springs they need for their projects. With our reliable shipping and ample supply, Century Spring is your trusted source for high-quality springs.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 1 lb
Length 5 in
Material Spring Steel
Outside Diameter 0.75 in
Part Type Standard
Rate 1 lbs/in
SKU 5281CS
Sugg Max Deflection 9.2 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 127 mm
Material Spring Steel
Outside Diameter 19.05 mm
Part Type Standard
Rate 0.18 N/mm
SKU 5281CS
Sugg Max Deflection 233.68 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 $4.58
50 - 149 $4.36
150 - 299 $4.13
300 - 499 $3.90
500 - 749 $3.44
750 - 999 $2.98
1000+ Call for price