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5681CS - 5.88 Inch Spring Steel Extension Springs

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

The 5681CS is a regular extension spring manufactured by Century Spring. It features machine hook ends and a gold iridite finish. With a free length of 5.88 inches, this spring is made of spring steel and has an initial tension of 11 pounds. It has a maximum deflection of 1.9 inches and a maximum load of 39 pound force. The 5681CS has an outside diameter of 0.5 inches and a wire diameter of 0.083 inches. With a rate of 15 lbs/inch, this spring is suitable for various extension applications.

At Century Spring, we pride ourselves on fast shipping and maintaining a significant stock inventory. Our products, including the 5681CS, are proudly made in the United States. With our reliable shipping and ample supply, Century Spring ensures that customers can quickly receive the springs they need for their projects.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Gold Iridite
Initial Tension 11 lb
Length 5.88 in
Material Spring Steel
Outside Diameter 0.5 in
Part Type Standard
Rate 15 lbs/in
SKU 5681CS
Sugg Max Deflection 1.9 in
Sugg Max Load 39 lbf
Wind Direction Left
Wire Diameter 0.083 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Gold Iridite
Initial Tension 4.99 kg
Length 149.35 mm
Material Spring Steel
Outside Diameter 12.7 mm
Part Type Standard
Rate 2.63 N/mm
SKU 5681CS
Sugg Max Deflection 48.26 mm
Sugg Max Load 173.47 N
Wind Direction Left
Wire Diameter 2.11 mm