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478CS - 0.94 Inch Music Wire Extension Springs

The 478CS is a regular extension spring manufactured by Century Spring. It is made from Music Wire and features a zinc finish. This spring has a wire diameter of 0.02 Inch and an outside diameter of 0.219 inches. With a free length of 0.94 inches, it offers an initial tension of 0.2 Pound. The 478CS has a maximum deflection of 1.4 Inch and can handle a maximum load of 1.9 Pound Force. It is a left-wound spring with full loop ends. This extension spring is built to standard measurement units and is suitable for a variety of applications.

At Century Spring, we pride ourselves on our fast shipping and extensive inventory. We understand the importance of prompt delivery, which is why we strive to get your springs to you as quickly as possible. Our significant stock ensures that you can find the springs you need, including the 478CS, without any delays. As an American company, we take pride in manufacturing our products in the United States. When you choose Century Spring, you can be confident in the quality and reliability of our springs.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Full Loop
Finish Zinc
Initial Tension 0.2 lb
Length 0.94 in
Material Music Wire
Outside Diameter 0.219 in
Part Type Standard
Rate 1.2 lbs/in
SKU 478CS
Sugg Max Deflection 1.4 in
Sugg Max Load 1.9 lbf
Wind Direction Left
Wire Diameter 0.02 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Full Loop
Finish Zinc
Initial Tension 0.09 kg
Length 23.88 mm
Material Music Wire
Outside Diameter 5.56 mm
Part Type Standard
Rate 0.21 N/mm
SKU 478CS
Sugg Max Deflection 35.56 mm
Sugg Max Load 8.45 N
Wind Direction Left
Wire Diameter 0.51 mm
Inventory Status
In-stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours
Quantity Price
1 - 49 $1.93
50 - 149 $1.84
150 - 299 $1.74
300 - 499 $1.65
500 - 749 $1.45
750 - 999 $1.26
1000 - 1499 $1.16
1500+ Call for price