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.

SS3-20CS - 302/304 Stainless Steel Long Length Extension Springs

The SS3-20CS is a stainless steel extension spring manufactured by Century Spring. This long-length spring is made from 302/304 stainless steel, ensuring durability and corrosion resistance. With a length of 20 inches and an outside diameter of 0.187 inches, this spring is suitable for a variety of applications. It has an initial tension of 0.3 pounds and a maximum load capacity of 1.7 pounds force. The spring rate is 0.043 inches per pound, providing the necessary flexibility and strength. With a shipping weight of 0.0486 pounds, this SS3-20CS extension spring is a reliable and efficient choice.

At Century Spring, we take pride in our fast shipping and extensive stock inventory. We understand that time is of the essence, and our efficient shipping ensures that customers receive their springs promptly. Additionally, our commitment to maintaining a significant stock inventory means that customers can rely on us to have the springs they need readily available. As an American company, we are proud to manufacture our products, including the SS3-20CS, in the United States. With Century Spring, you can trust in the quality and reliability of our springs for your projects.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Finish None
Initial Tension
(Approx.)
0.3 lb
Length 20 in
Material 302/304 Stainless Steel
Max Load
(Suggested)
1.7 lbf
Measurement Units Standard
Outside Diameter 0.187 in
Rate (Constant) 0.043 lbs
SKU SS3-20CS
Wire Diameter 0.02 in
Specs (in metric)
Label Value
Brand Century Spring
Finish None
Initial Tension
(Approx.)
0.14 kg
Length 508 mm
Material 302/304 Stainless Steel
Max Load
(Suggested)
7.56 N
Measurement Units Standard
Outside Diameter 4.75 mm
Rate (Constant) 0.01 N/mm
SKU SS3-20CS
Wire Diameter 0.51 mm
Inventory Status
In-stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours
Quantity Price
1 - 249 $16.89
250 - 499 $14.36
500 - 2499 $12.67
2500+ Call for price