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100 YRS

The Countdown to 100 Years of Century Spring!

Since 1927, Century Spring Corp has been the original industry-leading spring manufacturer for both stock and custom springs. Read about 100 Years of Century Spring here.

167 DAYS

S-615CS - 1.31 Inch 302/304 Stainless Steel Extension Springs

Inventory:           
Estimated Lead Time

The S-615CS is a regular extension spring manufactured by Century Spring. This spring is made from 302/304 Stainless Steel and has a wire diameter of 0.045 inches. It has a free length of 1.31 Inch and a maximum deflection of 0.41 inches. The S-615CS has an initial tension of 3 Pound and a maximum load capacity of 11 Pound Force. It features a left-wound direction and machine hook ends. With a spring rate of 21 lbs/inch, this extension spring is suitable for a variety of applications.

At Century Spring, we pride ourselves on our fast shipping and extensive stock inventory. Our springs, including the S-615CS, are made in the United States, ensuring high-quality craftsmanship. With our efficient shipping process and ample supply, we guarantee that you'll receive your springs promptly for your projects. Trust Century Spring for all your spring needs.

Download CAD
Unit System
Specs (in standard)
Label Value
A) Brand Century Spring
B) Sku S-615CS
C) Part Type Standard
D) Material 302/304 Stainless Steel
E) Wire Diameter 0.045 in
F) Outside Diameter 0.281 in
G) Length 1.31 in
H) End Type Machine Hook
I) End Position Random
J) Rate 21 lbs/in
K) Initial Tension 3 lb
L) Sugg Max Deflection 0.41 in
L) Sugg Max Load 11 lbf
O) Finish None
Specs (in metric)
Label Value
A) Brand Century Spring
B) Sku S-615CS
C) Part Type Standard
D) Material 302/304 Stainless Steel
E) Wire Diameter 1.14 mm
F) Outside Diameter 7.14 mm
G) Length 33.27 mm
H) End Type Machine Hook
I) End Position Random
J) Rate 3.68 N/mm
K) Initial Tension 1.36 kg
L) Sugg Max Deflection 10.41 mm
L) Sugg Max Load 48.93 N
O) Finish None