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5661CS - 2.94 Inch Spring Steel Extension Springs

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

The 5661CS 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 0.048 Inch and an outside diameter of 0.375 inches. It has a free length of 2.94 Inch and an initial tension of 2 Pound. The 5661CS has a maximum deflection of 1.9 Inch and a maximum load of 11 Pound Force. It features full loop ends and has a spring rate of 4.7 lbs/inch. This extension spring is suitable for a variety of applications.

At Century Spring, we offer fast shipping and maintain a significant stock inventory. Our products, including the 5661CS, 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 Full Loop
Finish Zinc
Initial Tension 2 lb
Length 2.94 in
Material Spring Steel
Outside Diameter 0.375 in
Part Type Standard
Rate 4.7 lbs/in
SKU 5661CS
Sugg Max Deflection 1.9 in
Sugg Max Load 11 lbf
Wind Direction Left
Wire Diameter 0.048 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Full Loop
Finish Zinc
Initial Tension 0.91 kg
Length 74.68 mm
Material Spring Steel
Outside Diameter 9.53 mm
Part Type Standard
Rate 0.82 N/mm
SKU 5661CS
Sugg Max Deflection 48.26 mm
Sugg Max Load 48.93 N
Wind Direction Left
Wire Diameter 1.22 mm