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12392CS - 6 Inch Spring Steel Extension Springs

The 12392CS is a regular extension spring manufactured by Century Spring. It is made from spring steel with a zinc finish for added durability. This spring has a free length of 6 inches and an initial tension of 3 pounds. With a maximum deflection of 5 inches and a maximum load of 15 pound force, it is suitable for a variety of applications. The 12392CS has an outside diameter of 0.5 inches and a wire diameter of 0.06 inches. It has a spring rate of 2.4 inches per pound and features machine hook ends.

At Century Spring, we take pride in our fast shipping and extensive stock inventory. We understand the importance of timely delivery, and our efficient shipping process ensures that customers receive their orders promptly. In addition, our significant stock inventory means that we have the 12392CS and other springs readily available for immediate shipment. We are proud to manufacture our products in the United States, maintaining high-quality standards and supporting local manufacturing. With Century Spring, you can trust in our reliable shipping and American-made products for all your spring needs.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 3 lb
Length 6 in
Material Spring Steel
Outside Diameter 0.5 in
Part Type Standard
Rate 2.4 lbs/in
SKU 12392CS
Sugg Max Deflection 5 in
Sugg Max Load 15 lbf
Wind Direction Left
Wire Diameter 0.06 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 1.36 kg
Length 152.4 mm
Material Spring Steel
Outside Diameter 12.7 mm
Part Type Standard
Rate 0.42 N/mm
SKU 12392CS
Sugg Max Deflection 127 mm
Sugg Max Load 66.72 N
Wind Direction Left
Wire Diameter 1.52 mm
Inventory Status
In-stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours
Quantity Price
1 - 49 $4.64
50 - 149 $4.41
150 - 299 $4.18
300 - 499 $3.95
500 - 749 $3.48
750 - 999 $3.02
1000+ Call for price