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5397CS - 0.75 Inch Music Wire Extension Springs

The 5397CS 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 0.022 inches, an outside diameter of 0.188 inches, and a free length of 0.75 inches. It has an initial tension of 0.3 Pound and a maximum deflection of 0.73 inches. The 5397CS has a spring rate of 3.7 inches per pound and a maximum load capacity of 3 Pound Force. With its machine hook ends and left wind direction, this extension spring is perfect for various applications.

At Century Spring, we take pride in our fast shipping and extensive stock inventory. We understand the importance of quick turnaround times, and our efficient shipping process ensures that customers receive their springs promptly. Additionally, we are committed to manufacturing our products in the United States, ensuring the highest quality standards and supporting the local economy. With Century Spring, you can rely on our fast shipping, ample supply, and American-made excellence for all your spring needs.

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 0.3 lb
Length 0.75 in
Material Music Wire
Outside Diameter 0.188 in
Part Type Standard
Rate 3.7 lbs/in
SKU 5397CS
Sugg Max Deflection 0.73 in
Sugg Max Load 3 lbf
Wind Direction Left
Wire Diameter 0.022 in
Specs (in metric)
Label Value
Brand Century Spring
Ends Machine Hook
Finish Zinc
Initial Tension 0.14 kg
Length 19.05 mm
Material Music Wire
Outside Diameter 4.78 mm
Part Type Standard
Rate 0.65 N/mm
SKU 5397CS
Sugg Max Deflection 18.54 mm
Sugg Max Load 13.34 N
Wind Direction Left
Wire Diameter 0.56 mm
Inventory Status
In-stock
Estimated Lead Time
In-stock parts: usually ships in 12-24 hours
Quantity Price
1 - 49 $1.87
50 - 149 $1.78
150 - 299 $1.69
300 - 499 $1.59
500 - 749 $1.41
750 - 999 $1.22
1000+ Call for price