Copper-Nickel Condenser Tube Plug from Mexico
A tapered plug made of copper-nickel alloy used to seal leaking tubes in heat exchanger condensers. It falls under HTS 7419.80.5050 as other copper-nickel articles, meeting subheading note (d) criteria.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Certify nickel predominance and zinc <1% per subheading note (d) for proper copper-nickel classification
• Distinguish from Chapter 84 by importing as replacement parts, not OEM assemblies