6603.90—Parts, trimmings and accessories of articles of heading 6601 or 6602, other

HTS 6603.90 is a 6-digit subheading of the U.S. Harmonized Tariff Schedule covering Parts, trimmings and accessories of articles of heading 6601 or 6602, other. It belongs to Chapter 66 and rolls up 2 10-digit statistical lines that brokers actually file at entry.

General (Column 1) duty rates for the 10-digit lines under HTS 6603.90 range from Free to 5.2%. The exact rate depends on the specific 10-digit statistical line — pick a line below to see its full rate detail.

Tandom links section_232 provision 9903.85.08 to HTS 6603.90. Its published rate notation is The duty provided in the applicable subheading + a duty of 50% upon the value of the aluminum content., and its status on 2026-09-26 is expired. 5 additional Chapter 99 flags also link to this code. A flag is not a shipment-level determination; check origin, product facts, claims, and entry date.

U.S. Customs requires entries to be filed at the 10-digit statistical level — the broader subheading HTS 6603.90 is not directly fileable. Match your product description to the most specific 10-digit line in the list on this page; if multiple lines could apply, the General Rules of Interpretation (GRIs) and chapter notes determine which one governs.

Tandom links 18 potentially relevant AD/CVD order flags to at least one 10-digit line under HTS 6603.90. An HTS link is a screening aid; whether a shipment is covered depends on the order's written product scope and country of origin. Use the linked lookup to review the case materials.