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12390CS - 3.19 Inch Spring Steel Extension Springs

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

The 12390CS is a regular extension spring manufactured by Century Spring. This spring is made from spring steel and features a zinc finish. With a free length of 3.19 inches and a wire diameter of 0.124 inches, it provides a maximum deflection of 0.74 inches. The 12390CS has a rate of 82 inch-pounds and an initial tension of 26 pounds. It has a maximum load capacity of 87 pound-force. The ends of this spring are equipped with double loops.

At Century Spring, we take pride in our fast shipping and extensive stock inventory. We understand the importance of prompt delivery, so our customers can expect their orders to be processed and shipped quickly. With our significant stock, we ensure that the 12390CS and other springs are readily available for immediate shipment. Additionally, all our products, including the 12390CS, are proudly made in the United States. We prioritize quality and craftsmanship, providing our customers with reliable and durable springs for their various applications.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Double Loop
Finish Zinc
Initial Tension 26 lb
Length 3.19 in
Material Spring Steel
Outside Diameter 0.718 in
Part Type Standard
Rate 82 lbs/in
SKU 12390CS
Sugg Max Deflection 0.74 in
Sugg Max Load 87 lbf
Wind Direction Left
Wire Diameter 0.124 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Double Loop
Finish Zinc
Initial Tension 11.79 kg
Length 81.03 mm
Material Spring Steel
Outside Diameter 18.24 mm
Part Type Standard
Rate 14.36 N/mm
SKU 12390CS
Sugg Max Deflection 18.8 mm
Sugg Max Load 386.98 N
Wind Direction Left
Wire Diameter 3.15 mm