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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

90121SCS - 0.44 Inch 316 Stainless Steel Extension Springs

Inventory:           
Estimated Lead Time

The 90121SCS is a regular extension spring manufactured by Century Spring. It is made from 316 stainless steel and has a passivated finish. This spring has a wire diameter of 0.013 inches, an outside diameter of 0.109 inches, and a free length of 0.44 inches. It has an initial tension of 0.09 pound and a maximum deflection of 0.16 inches. The 90121SCS has a spring rate of 2.01 lbs/inch and a maximum load of 0.41 pound force. It is a left-wind spring with full loop ends, making it suitable for various applications.

At Century Spring, we understand the importance of fast shipping and having a wide range of products in stock. We take pride in our significant inventory and efficient shipping process. All our springs, including the 90121SCS, are proudly made in the United States. With our commitment to quality and availability, Century Spring ensures that customers can quickly receive the springs they need for their projects.

Download CAD
Unit System
Specs (in standard)
Label Value
A) Brand Century Spring
B) Sku 90121SCS
C) Part Type Standard
D) Material 316 Stainless Steel
E) Wire Diameter 0.013 in
F) Outside Diameter 0.109 in
G) Length 0.44 in
H) End Type Full Loop
I) End Position Random
J) Rate 2.01 lbs/in
K) Initial Tension 0.09 lb
L) Sugg Max Deflection 0.16 in
N) Sugg Max Load 0.41 lbf
O) Finish Passivated
Specs (in metric)
Label Value
A) Brand Century Spring
B) Sku 90121SCS
C) Part Type Standard
D) Material 316 Stainless Steel
E) Wire Diameter 0.33 mm
F) Outside Diameter 2.77 mm
G) Length 11.18 mm
H) End Type Full Loop
I) End Position Random
J) Rate 0.35 N/mm
K) Initial Tension 0.04 kg
L) Sugg Max Deflection 4.06 mm
N) Sugg Max Load 1.82 N
O) Finish Passivated