Nitrile Rubber O-Ring Gasket from Mexico
A circular O-ring gasket made from nitrile butadiene rubber (NBR), a polymer of headings 3901-3914, used for sealing hydraulic systems in automotive engines. It falls under HTS 3926.90.45.90 as an other gasket not specified elsewhere in the gaskets subheading. These seals prevent fluid leakage under pressure.
Duty Rate — Mexico → United States
13.5%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Verify polymer composition meets 95% monomer content per subheading notes for accurate classification
• Include material test certificates to confirm NBR content and avoid misclassification as rubber under Chapter 40
• Check for attached fittings, as they may qualify for duty-free under heading 3917 if applicable