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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.

158 DAYS

80513CS - 4.50 Inch Music Wire Extension Springs

Inventory:           
Estimated Lead Time

The 80513CS is a regular extension spring manufactured by Century Spring. It is made from high-quality Music Wire with a durable, non-finish surface. This spring has a wire diameter of 0.041 inches, an outside diameter of 0.359 inches, and a free length of 4.5 Inches. With an initial tension of 0.7 Pound, it provides a maximum deflection of 6.2 Inches and can withstand a maximum load of 8.8 Pound Force. The 80513CS features full loop ends, ensuring secure attachment and reliable performance. It is a standard extension spring suitable for a wide range of applications.

At Century Spring, we take pride in our fast shipping and extensive stock inventory. We understand the importance of timely delivery, which is why we strive to dispatch orders promptly. Our significant stock ensures that we have ample supply of springs, including the 80513CS, readily available for immediate shipment. Additionally, all our springs are proudly made in the United States, guaranteeing the highest quality and craftsmanship. With Century Spring, you can trust that you'll receive your springs quickly and rely on their superior performance for your projects.

Download CAD
Unit System
Specs (in standard)
Label Value
A) Brand Century Spring
B) Sku 80513CS
C) Part Type Standard
D) Material Music Wire
E) Wire Diameter 0.041 in
F) Outside Diameter 0.359 in
G) Length 4.5 in
H) End Type Full Loop
I) End Position Random
J) Rate 1.3 lbs/in
K) Initial Tension 0.7 lb
L) Sugg Max Deflection 6.2 in
L) Sugg Max Load 8.8 lbf
O) Finish None
Specs (in metric)
Label Value
A) Brand Century Spring
B) Sku 80513CS
C) Part Type Standard
D) Material Music Wire
E) Wire Diameter 1.04 mm
F) Outside Diameter 9.12 mm
G) Length 114.3 mm
H) End Type Full Loop
I) End Position Random
J) Rate 0.23 N/mm
K) Initial Tension 0.32 kg
L) Sugg Max Deflection 157.48 mm
L) Sugg Max Load 39.14 N
O) Finish None