8466.91Parts and accessories suitable for use…, for machines of heading 8464
Also written 846691
HTS Code 8466.91 covers any article best defined as Machinery and Mechanical Appliances; Electrical Equipment; Parts Thereof; Sound Recorders and Reproducers, Television Image and Sound Recorders and Reproducers, and Parts and Accessories of Such ArticlesNuclear reactors, boilers, machinery and mechanical appliances; parts thereofParts and accessories suitable for use solely or principally with the machines of headings 8456 to 8465, including work or tool holders, self-opening dieheads, dividing heads and other special attachments for the machines; tool holders for any type of tool for working in the hand:Other:For machines of heading 8464: in the Harmonized Tariff Schedule — covering 2 sub-classifications.
Tariff updates
Recent US tariff actions that name 8466.91 or its heading.
- Dec 18, 2025 · PublishedUS cuts reciprocal tariff on Swiss and Liechtenstein goods to 15% all-in, exempts certain products
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Relevant HTS Notes
Official USITC notes that may affect classification under HTS 8466.91.
Related CROSS Rulings for HTS 8466.91
CBP classification rulings related to 8466.91. Open a ruling to read how Customs classified a similar product.
No rulings found
No CROSS classification rulings were found for HTS code "8466.91".
What does HTS code 8466.91 cover?
HTS code 8466.91 covers parts and accessories suitable for use…, for machines of heading 8464 (For machines of heading 8464:), classified under Chapter 84 (Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof) in the US Harmonized Tariff Schedule. There are 2 more specific sub-classifications under this code.
Primary Sources
The official documents behind the rates and tariffs on this page. Duties are worked out from them; check the legal text before you file.