Brass Flare Union Adapter from Mexico
A brass union adapter with 45-degree flare ends for connecting dissimilar tube sizes in gas and hydraulic lines. Crafted from copper-zinc alloy for corrosion resistance in HVAC systems. Classified in HTS 7412.20.0045 as other brass copper tube fittings.
Duty Rate — Mexico → United States
53%
Rate breakdown
9903.82.0250%Except as provided for in headings 9903.82.14, 9903.85.67 and 9903.85.68, articles of aluminum, of steel or of copper and derivative aluminum or steel articles, as provided for in subdivisions (c)(i)–(v) of U.S. note 16 to this subchapter
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Provide flare angle and tubing OD specs; mismatch leads to CBP reclassification as generic adapters
• Declare if NSF certified for potable use vs general industrial to affect quota applicability
• Ensure no plastic inserts/components to avoid mixed material headings