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

9903.03.0110%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

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