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ST3-15CS - 302/304 Stainless Steel Long Length Compression Springs

The ST3-15CS is a long-length compression spring manufactured by Century Spring. This spring is made from 302/304 stainless steel, ensuring durability and corrosion resistance. It has an inside diameter of 0.157 inch and an outside diameter of 0.187 inches. With a wire diameter of 0.015 inches, this spring offers excellent strength and flexibility. The ST3-15CS has a length of 20 inches and a solid length of 0.21 inches. It has a maximum load capacity of 0.8 pound force and a spring rate of 0.9996 inches per pound. This compression spring is suitable for a wide range of applications and is built to last.

At Century Spring, we understand the importance of fast shipping and maintaining a substantial stock inventory. We take pride in our ability to deliver quality springs, including the ST3-15CS, in a timely manner. With our extensive stock, customers can rely on us to provide the springs they need for their projects. Additionally, all our springs are proudly made in the United States, ensuring superior craftsmanship and quality control. Trust Century Spring for reliable shipping, abundant supply, and American-made excellence.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Finish None
Inside Diameter 0.157 in
Length 20 in
Material 302/304 Stainless Steel
Measurement Units Standard
Outside Diameter 0.187 in
Pitch 0.067 in
Product Image ST3_15CS
Rate 0.9996 lbf-in
Rate Constant 0.0833 lbf
SKU ST3-15CS
Solid Length Constant 0.21 in
Solid Length Per 0.21 lb
Suggested Max Load 0.8 lbf
Wire Diameter 0.015 in
Specs (in metric)
Label Value
Brand Century Spring
Finish None
Inside Diameter 3.99 mm
Length 508 mm
Material 302/304 Stainless Steel
Measurement Units Standard
Outside Diameter 4.75 mm
Pitch 1.7 mm
Product Image ST3_15CS
Rate 0.18 N-mm
Rate Constant 14.59 N
SKU ST3-15CS
Solid Length Constant 5.33 mm
Solid Length Per 0.1 kg
Suggested Max Load 3.56 N
Wire Diameter 0.38 mm
Inventory Status
Low Stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours
Quantity Price
1 - 249 $9.63
250 - 499 $8.19
500 - 2499 $7.23
2500+ Call for price