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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.

168 DAYS

5578CS - 0.47 Inch Music Wire Extension Springs

Inventory:           
Estimated Lead Time

The 5578CS is a regular extension spring manufactured by Century Spring. It is made from high-quality music wire and features a durable zinc finish. This spring has a wire diameter of 0.012 inches and an outside diameter of 0.14 inches. The free length of the spring is 0.47 inches, and it has an initial tension of 0.05 pounds. The maximum deflection of the spring is 0.84 inches, and it can handle a maximum load of 0.71 pounds force. The 5578CS is designed with a left wind direction and has full loop ends. It is a reliable and versatile extension spring suitable for a variety of applications.

Here at Century Spring, we pride ourselves on our fast shipping and extensive inventory. We understand the importance of receiving your springs promptly, which is why we offer efficient shipping services. Additionally, our significant stock ensures that we have a wide range of springs available for immediate shipment. As an American manufacturer, we take pride in producing high-quality springs right here in the United States. When you choose Century Spring, you can trust that you're getting reliable products made with precision and care.

Download CAD
Unit System
Specs (in standard)
Label Value
A) Brand Century Spring
B) Sku 5578CS
C) Part Type Standard
D) Material Music Wire
E) Wire Diameter 0.012 in
F) Outside Diameter 0.14 in
G) Length 0.47 in
H) End Type Full Loop
I) End Position Random
J) Rate 0.79 lbs/in
K) Initial Tension 0.05 lb
L) Sugg Max Deflection 0.84 in
L) Sugg Max Load 0.71 lbf
O) Finish Zinc
Specs (in metric)
Label Value
A) Brand Century Spring
B) Sku 5578CS
C) Part Type Standard
D) Material Music Wire
E) Wire Diameter 0.3 mm
F) Outside Diameter 3.56 mm
G) Length 11.94 mm
H) End Type Full Loop
I) End Position Random
J) Rate 0.14 N/mm
K) Initial Tension 0.02 kg
L) Sugg Max Deflection 21.34 mm
L) Sugg Max Load 3.16 N
O) Finish Zinc