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5864CS - 3 Inch Spring Steel Extension Springs

The 5864CS 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 0.055 inches, an outside diameter of 0.359 inches, and a free length of 3 inches. It has an initial tension of 4 pounds and a maximum deflection of 1.3 inches. The 5864CS has a spring rate of 9.8 inches per pound and a maximum load of 16 pound force. It is a full loop spring, meaning the ends are rounded. The 5864CS is a standard extension spring suitable for various applications.

At Century Spring, we offer fast shipping and maintain a significant stock inventory. Our products, including the 5864CS, 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 4 lb
Length 3 in
Material Spring Steel
Outside Diameter 0.359 in
Part Type Standard
Rate 9.8 lbs/in
SKU 5864CS
Sugg Max Deflection 1.3 in
Sugg Max Load 16 lbf
Wind Direction Left
Wire Diameter 0.055 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Full Loop
Finish Zinc
Initial Tension 1.81 kg
Length 76.2 mm
Material Spring Steel
Outside Diameter 9.12 mm
Part Type Standard
Rate 1.72 N/mm
SKU 5864CS
Sugg Max Deflection 33.02 mm
Sugg Max Load 71.17 N
Wind Direction Left
Wire Diameter 1.4 mm
Inventory Status
In-stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours
Quantity Price
1 - 49 $3.98
50 - 149 $3.79
150 - 299 $3.59
300 - 499 $3.39
500 - 749 $2.99
750 - 999 $2.59
1000+ Call for price