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12374CS - 4 Inch Spring Steel Extension Springs

The 12374CS 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 0.071 inches, an outside diameter of 0.515 inches, and a free length of 4 inches. It has an initial tension of 5 Pound and a maximum deflection of 2.1 inches. The 12374CS has a spring rate of 8.6 inches per pound and a maximum load of 23 Pound Force. It features machine hook ends and is suitable for various applications.

At Century Spring, we take pride in our fast shipping and extensive stock inventory. We understand the importance of getting the right springs quickly, which is why we offer efficient shipping options. Our significant stock ensures that we have the 12374CS, along with many other springs, readily available for immediate delivery. Additionally, all our products are proudly made in the United States, so you can trust in their quality and reliability. Trust Century Spring 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 5 lb
Length 4 in
Material Spring Steel
Outside Diameter 0.515 in
Part Type Standard
Rate 8.6 lbs/in
SKU 12374CS
Sugg Max Deflection 2.1 in
Sugg Max Load 23 lbf
Wind Direction Left
Wire Diameter 0.071 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 2.27 kg
Length 101.6 mm
Material Spring Steel
Outside Diameter 13.08 mm
Part Type Standard
Rate 1.51 N/mm
SKU 12374CS
Sugg Max Deflection 53.34 mm
Sugg Max Load 102.3 N
Wind Direction Left
Wire Diameter 1.8 mm
Inventory Status
In-stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours
Quantity Price
1 - 49 $3.87
50 - 149 $3.68
150 - 299 $3.49
300 - 499 $3.29
500 - 749 $2.91
750 - 999 $2.52
1000+ Call for price