Silicone O-Ring for Plumbing Fixtures from Mexico
Flexible silicone rubber O-ring for sealing faucet and valve connections in residential plumbing. It qualifies under HTS 4016.93.50.10 as a vulcanized rubber seal (O-ring) not covered by exclusions like Chapter 64 footwear. Food-grade variants common for potable water systems.
Duty Rate — Mexico → United States
12.5%
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
• Obtain NSF/ANSI 61 certification for potable water contact to expedite FDA/USDA clearance
• Label with precise dimensions (AS568 standard sizes) to confirm O-ring classification vs generic seals
• Ship in consumer packaging to avoid bulk 'parts' perception leading to higher duties