This browser is no longer supported. Upgrade to Microsoft Edge or switch to a supported browser, like Chrome, Safari, or Firefox, to explore the MW Components website.

We're sorry for the inconvenience.

5123CS - 2.78 Inch High Carbon Steel Extension Springs

The 5123CS 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 0.0625 inches, an outside diameter of 0.5 inches, and a free length of 2.78 inches. It has an initial tension of 3 Pound and a maximum deflection of 1.8 inches. The 5123CS has a spring rate of 7.3 inches per pound and a maximum load of 16 Pound Force. It features machine hook ends and a left wind direction. This extension spring is ideal for various applications, providing reliable performance and durability.

At Century Spring, we take pride in our fast shipping and extensive stock inventory. We understand the importance of getting the right springs in a timely manner. That's why we offer quick and efficient shipping services to ensure our customers receive their orders promptly. Additionally, we maintain a significant stock of springs, including the 5123CS, so you can find the right springs for your needs without any delay. As an American company, we are dedicated to producing high-quality products in the United States. When you choose Century Spring, you can trust that you're getting top-notch springs backed by our commitment to quality and customer satisfaction.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 3 lb
Length 2.78 in
Material High Carbon Steel
Outside Diameter 0.5 in
Part Type Standard
Rate 7.3 lbs/in
SKU 5123CS
Sugg Max Deflection 1.8 in
Sugg Max Load 16 lbf
Wind Direction Left
Wire Diameter 0.0625 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 1.36 kg
Length 70.61 mm
Material High Carbon Steel
Outside Diameter 12.7 mm
Part Type Standard
Rate 1.28 N/mm
SKU 5123CS
Sugg Max Deflection 45.72 mm
Sugg Max Load 71.17 N
Wind Direction Left
Wire Diameter 1.59 mm
Inventory Status
In-stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours
Quantity Price
1 - 49 $4.03
50 - 149 $3.83
150 - 299 $3.63
300 - 499 $3.43
500 - 749 $3.03
750 - 999 $2.62
1000+ Call for price