8401Nuclear reactors; fuel elements, non-irradiated
HTS Code 8401 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 thereofNuclear reactors; fuel elements (cartridges), non-irradiated, for nuclear reactors; machinery and apparatus for isotopic separation; parts thereof: in the Harmonized Tariff Schedule — covering 4 sub-classifications.
Tariff updates
Recent US tariff actions that name 8401 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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If a new 10% tariff were added
Relevant HTS Notes
Official USITC notes that may affect classification under HTS 8401.
Search CROSS Rulings for HTS 8401
See how Customs classified similar products. CBP's CROSS database holds the classification rulings that cite 8401.
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What does HTS code 8401 cover?
HTS code 8401 covers nuclear reactors; fuel elements, non-irradiated (Nuclear reactors; fuel elements (cartridges), non-irradiated, for nuclear reactors; machinery and apparatus for isotopic separation; parts thereof:), classified under Chapter 84 (Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof) in the US Harmonized Tariff Schedule. There are 4 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.