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5573CS - 3.56 Inch Music Wire Extension Springs

The 5573CS is a regular extension spring manufactured by Century Spring. It features machine hook ends and a zinc finish. This spring has a free length of 3.56 inches and an initial tension of 41 pounds. Made from music wire, it can withstand a maximum deflection of 0.91 inches and a maximum load of 156 pound force. With a wire diameter of 0.192 inches and an outside diameter of 1.375 inches, this spring has a rate of 127 inches per pound. It weighs 0.3962 pounds and is wound in a left direction. The 5573CS is a reliable extension spring suitable for various applications.

At Century Spring, we take pride in our fast shipping and extensive stock inventory. Our products, including the 5573CS, are proudly made in the United States. With our efficient shipping process and ample supply, we ensure that customers can quickly receive the springs they need for their projects. Trust Century Spring for high-quality springs that meet your specific requirements.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 41 lb
Length 3.56 in
Material Music Wire
Outside Diameter 1.375 in
Part Type Standard
Rate 127 lbs/in
SKU 5573CS
Sugg Max Deflection 0.91 in
Sugg Max Load 156 lbf
Wind Direction Left
Wire Diameter 0.192 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 18.59 kg
Length 90.42 mm
Material Music Wire
Outside Diameter 34.93 mm
Part Type Standard
Rate 22.24 N/mm
SKU 5573CS
Sugg Max Deflection 23.11 mm
Sugg Max Load 693.89 N
Wind Direction Left
Wire Diameter 4.88 mm
Inventory Status
Low Stock
Quantity Price
1 - 49 $17.97
50 - 149 $17.08
150 - 299 $16.18
300 - 499 $15.28
500 - 749 $13.48
750 - 999 $11.69
1000+ Call for price