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188CS - 3 Inch High Carbon Steel Extension Springs

The 188CS is a regular extension spring manufactured by Century Spring. It is made from High Carbon steel and has a zinc finish. This spring has a wire diameter of 0.091 inches, an outside diameter of 0.938 inches, and a free length of 3 inches. It has an initial tension of 4 Pound and a maximum deflection of 2.6 inches. The 188CS has a spring rate of 7.8 inches per pound and a maximum load of 24 Pound Force. It features machine hook ends and is suitable for various applications requiring extension springs.

At Century Spring, we understand the importance of fast shipping and maintaining a significant stock inventory. We take pride in manufacturing our products, including the 188CS, right here 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. Trust us for high-quality springs and excellent service.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 4 lb
Length 3 in
Material High Carbon Steel
Outside Diameter 0.938 in
Part Type Standard
Rate 7.8 lbs/in
SKU 188CS
Sugg Max Deflection 2.6 in
Sugg Max Load 24 lbf
Wind Direction Left
Wire Diameter 0.091 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 1.81 kg
Length 76.2 mm
Material High Carbon Steel
Outside Diameter 23.83 mm
Part Type Standard
Rate 1.37 N/mm
SKU 188CS
Sugg Max Deflection 66.04 mm
Sugg Max Load 106.75 N
Wind Direction Left
Wire Diameter 2.31 mm
Inventory Status
In-stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours
Quantity Price
1 - 49 $4.09
50 - 149 $3.89
150 - 299 $3.69
300 - 499 $3.48
500 - 749 $3.07
750 - 999 $2.66
1000+ Call for price