Plumbing Pipe O-Ring Seals from China

Circular vulcanized rubber O-rings for sealing threaded pipe joints in residential plumbing systems. Classified in HTS 4016.93.50 as other gaskets, washers, and seals, made from nitrile or EPDM rubber for water resistance. Prevents leaks in PVC or metal pipe connections.

Duty Rate — China → United States

37.5%

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
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)

Import Tips

Certify compliance with NSF/ANSI 61 for potable water contact to meet U.S. import standards

Declare durometer hardness and chemical resistance in invoices for proper valuation

Avoid bulk packaging that mimics Chapter 39 plastic fittings to prevent reclassification