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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

A10-43CS - 3.59 Inch Spring Steel Extension Springs

Inventory:           
Estimated Lead Time

The A10-43CS is a regular extension spring manufactured by Century Spring. It is made from spring steel and has a wire diameter of 0.035 inches. This spring has an outside diameter of 0.25 Inch and a free length of 3.59 inches. It has an initial tension of 1 Pound and a maximum deflection of 2.2 inches. The A10-43CS has a spring rate of 2.3 lbs/inch and can handle a maximum load of 6.3 Pound Force. It features machine hooks on both ends and is designed to wind in the left direction. This extension spring is suitable for a variety of applications.

At Century Spring, we pride ourselves on our fast shipping and extensive stock inventory. We understand the importance of receiving your springs quickly, which is why we offer reliable and efficient shipping services. Furthermore, all our products, including the A10-43CS, are proudly made in the United States. With our commitment to quality and our ample supply, Century Spring is your trusted source for springs that meet your specifications and arrive promptly.

Download CAD
Unit System
Specs (in standard)
Label Value
A) Brand Century Spring
B) Sku A10-43CS
C) Part Type Standard
D) Material Spring Steel
E) Wire Diameter 0.035 in
F) Outside Diameter 0.25 in
G) Length 3.59 in
H) End Type Machine Hook
I) End Position Random
J) Rate 2.3 lbs/in
K) Initial Tension 1 lb
L) Sugg Max Deflection 2.2 in
L) Sugg Max Load 6.3 lbf
O) Finish None
Specs (in metric)
Label Value
A) Brand Century Spring
B) Sku A10-43CS
C) Part Type Standard
D) Material Spring Steel
E) Wire Diameter 0.89 mm
F) Outside Diameter 6.35 mm
G) Length 91.19 mm
H) End Type Machine Hook
I) End Position Random
J) Rate 0.4 N/mm
K) Initial Tension 0.45 kg
L) Sugg Max Deflection 55.88 mm
L) Sugg Max Load 28.02 N
O) Finish None