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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-512CS - 1.75 Inch 302/304 Stainless Steel Extension Springs

Inventory:           
Estimated Lead Time

The S-512CS is a regular extension spring manufactured by Century Spring. Made from 302/304 stainless steel, this spring has a free length of 1.75 inches and an outside diameter of 0.125 inches. It has an initial tension of 0.2 pound and a maximum deflection of 1.7 inches. With a spring rate of 0.5 lbs/inch, it can withstand a maximum load of 0.99 pound force. The S-512CS features full loop ends and is suitable for various applications.

At Century Spring, we pride ourselves on our fast shipping and extensive stock inventory. We understand the importance of timely delivery for our customers, which is why we strive to dispatch orders promptly. Additionally, our significant stock ensures that we can meet the demands of our customers without delay. We are proud to manufacture our springs in the United States, maintaining high-quality standards and supporting local industries. With Century Spring, you can count on efficient shipping and reliable supply for all your spring needs.

Download CAD
Unit System
Specs (in standard)
Label Value
A) Brand Century Spring
B) Sku S-512CS
C) Part Type Standard
D) Material 302/304 Stainless Steel
E) Wire Diameter 0.015 in
F) Outside Diameter 0.125 in
G) Length 1.75 in
H) End Type Full Loop
I) End Position Random
J) Rate 0.5 lbs/in
K) Initial Tension 0.2 lb
L) Sugg Max Deflection 1.7 in
L) Sugg Max Load 0.99 lbf
O) Finish None
Specs (in metric)
Label Value
A) Brand Century Spring
B) Sku S-512CS
C) Part Type Standard
D) Material 302/304 Stainless Steel
E) Wire Diameter 0.38 mm
F) Outside Diameter 3.18 mm
G) Length 44.45 mm
H) End Type Full Loop
I) End Position Random
J) Rate 0.09 N/mm
K) Initial Tension 0.09 kg
L) Sugg Max Deflection 43.18 mm
L) Sugg Max Load 4.4 N
O) Finish None