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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-647CS - 2.16 Inch 302/304 Stainless Steel Extension Springs

Inventory:           
Estimated Lead Time

The S-647CS is a regular extension spring manufactured by Century Spring. It is made from 302/304 Stainless Steel and has a plain finish. This spring has a wire diameter of 0.027 inches, an outside diameter of 0.25 inches, and a free length of 2.16 inches. It has an initial tension of 0.4 Pound and a maximum deflection of 2.4 inches. The S-647CS has a maximum load capacity of 2.7 Pound Force and features full loop ends. It is a standard extension spring that is commonly used in various applications.

At Century Spring, we take pride in our fast shipping and extensive stock inventory. We understand the importance of quick delivery, which is why we strive to ship our products promptly. Additionally, our significant stock inventory ensures that we have a wide range of springs available for immediate shipment. As a company based in the United States, we are committed to manufacturing high-quality springs in our home country. With Century Spring, you can rely on our efficient shipping and American-made products to meet your spring needs.

Download CAD
Unit System
Specs (in standard)
Label Value
A) Brand Century Spring
B) Sku S-647CS
C) Part Type Standard
D) Material 302/304 Stainless Steel
E) Wire Diameter 0.027 in
F) Outside Diameter 0.25 in
G) Length 2.16 in
H) End Type Full Loop
I) End Position Random
J) Rate 0.97 lbs/in
K) Initial Tension 0.4 lb
L) Sugg Max Deflection 2.4 in
L) Sugg Max Load 2.7 lbf
O) Finish None
Specs (in metric)
Label Value
A) Brand Century Spring
B) Sku S-647CS
C) Part Type Standard
D) Material 302/304 Stainless Steel
E) Wire Diameter 0.69 mm
F) Outside Diameter 6.35 mm
G) Length 54.86 mm
H) End Type Full Loop
I) End Position Random
J) Rate 0.17 N/mm
K) Initial Tension 0.18 kg
L) Sugg Max Deflection 60.96 mm
L) Sugg Max Load 12.01 N
O) Finish None