HS 8401 — Nuclear reactors
HS heading 8401 (Nuclear reactors) spans 3 products in U.S. import records, with 2,638 bill-of-lading shipments. The most imported are Fuel elements (cartridges), non-irradiated, and parts thereof, Machinery and apparatus for isotopic separation, and parts thereof, and Nuclear reactors, nuclear reactors.
Part of Chapter 84: Nuclear reactors, boilers, machinery and mechanical appliances
Sourced from U.S. Customs bill of lading data · Updated monthly · Data through August 2026Cite as: ImportDoor, U.S. Customs bill of lading data (data through August 2026), https://www.importdoor.com/products/heading/8401
Products under this heading
| HS | Product | Shipments |
|---|---|---|
| 840130 | Fuel elements (cartridges), non-irradiated, and parts thereof | 1,876 |
| 840120 | Machinery and apparatus for isotopic separation, and parts thereof | 630 |
| 840110 | Nuclear reactors, nuclear reactors | 132 |
Frequently asked questions about HS 8401
What is HS code 8401?
HS 8401 covers nuclear reactors. It is a 4-digit heading in chapter 84 (Nuclear reactors, boilers, machinery and mechanical appliances) of the Harmonized System, with 3 six-digit subheadings that appear in U.S. import records.
How many U.S. import shipments fall under HS 8401?
ImportDoor has 2,638 U.S. Customs bill-of-lading shipment records under HS heading 8401, updated monthly.
What is the most imported product under HS 8401?
Fuel elements, non-irradiated, and parts thereof (HS 840130) leads with 1,876 shipments, followed by Machinery and apparatus for isotopic separation, and parts thereof (HS 840120) and Nuclear reactors, nuclear reactors (HS 840110).