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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

A15-55CS - 1.13 Inch Spring Steel Extension Springs

Inventory:           
Estimated Lead Time

The A15-55CS is a regular extension spring made by Century Spring. It is made from spring steel and has a natural finish. This spring has a wire diameter of 0.041 inches, an outside diameter of 0.375 inches, and a free length of 1.13 inches. It has an initial tension of 1 Pound and a maximum deflection of 0.66 inches. The A15-55CS has a spring rate of 8.4 lbs/inch and can withstand a maximum load of 6.5 Pound Force. It is a left-wound spring with full loop ends. This standard extension spring 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 your projects. That's why we ensure that our products, including the A15-55CS, are readily available to meet your needs. As an American company, we take pride in manufacturing our springs in the United States. With Century Spring, you can trust that you'll receive high-quality springs promptly, allowing you to complete your projects efficiently.

Download CAD
Unit System
Specs (in standard)
Label Value
A) Brand Century Spring
B) Sku A15-55CS
C) Part Type Standard
D) Material Spring Steel
E) Wire Diameter 0.041 in
F) Outside Diameter 0.375 in
G) Length 1.13 in
H) End Type Full Loop
I) End Position Random
J) Rate 8.4 lbs/in
K) Initial Tension 1 lb
L) Sugg Max Deflection 0.66 in
L) Sugg Max Load 6.5 lbf
O) Finish None
Specs (in metric)
Label Value
A) Brand Century Spring
B) Sku A15-55CS
C) Part Type Standard
D) Material Spring Steel
E) Wire Diameter 1.04 mm
F) Outside Diameter 9.53 mm
G) Length 28.7 mm
H) End Type Full Loop
I) End Position Random
J) Rate 1.47 N/mm
K) Initial Tension 0.45 kg
L) Sugg Max Deflection 16.76 mm
L) Sugg Max Load 28.91 N
O) Finish None