EximDataX

HS Code 8401Nuclear reactors; fuel elements (cartridges), non-irradiated, for nuclear reactors, machinery and apparatus for isotopic separation

4 six-digit codes · Heading 1 of 86 in Chapter 84 · World Customs Organization Harmonized System

This page helps you pick the right six-digit code, then look at the shipments behind it.

Heading 8401 opens Chapter 84: it is the first of the chapter’s 86 headings, and goods answering to “Nuclear reactors; fuel elements (cartridges), non-irradiated, for nuclear reactors, machinery and apparatus for isotopic separation” divide across 4 six-digit codes, 840110 to 840140. The heading is number 1 of 86 in Chapter 84, Machinery and mechanical appliances, boilers, nuclear reactors; parts thereof, which runs to 538 six-digit codes in all.

Six-digit codes under heading 8401

HS CodeImport–export description
840110Nuclear reactors
840120Machinery and apparatus; for isotopic separation, and parts thereof
840130Fuel elements (cartridges); non-irradiated
840140Nuclear reactors; parts thereof

What heading 8401 covers

The Harmonized System is the shared list that customs offices use to sort goods. Traders also search for this heading as HSN code 8401 or HTS code 8401. The label changes by country, but the goods stay the same.

Three groups of goods sit here. One is the reactor itself. Another is fuel in cartridge form that has not been irradiated. The third is machinery for isotopic separation. Parts are named too, both for reactors and for the separation machinery.

This is a machinery heading, so it sits with the other Chapter 84 machinery codes. Take the six-digit code from this page first. Then check your national tariff for the longer number that your customs office asks for.

How to choose the right 8401 subheading

Each six-digit code answers a different question. Start with the first one: is the item the whole thing, or only a piece of it? Then ask what the item is for.

  • 840110 is for a complete nuclear reactor.
  • 840140 is for a part of a reactor. A piece shipped alone goes here, not under 840110.
  • 840130 is for fuel cartridges. The fuel must be non-irradiated to fit this line.
  • 840120 is for isotopic separation machinery. Its wording already includes parts, so those parts do not move to 840140.

8401 vs nearby headings in Chapter 84

The headings that follow sound close, but they cover other equipment. Turn to them only when your product is not a reactor.

Equipment that works with those boilers, such as economisers, super-heaters and condensers, sits in 8404 as auxiliary plant. Steam and other vapour turbines are in 8406.

So the test is simple. A reactor, its fuel and its separation machinery stay in 8401. A boiler, a condenser or a turbine goes to its own heading. If you cannot tell which line fits, try the HS code classifier before you file.

HS code 8401 import and export data

The code text tells you what a good is. Shipment records tell you who moves it. That helps with sales, sourcing and checking a market.

EximDataX shows shipment-level import and export records from official customs sources. Coverage: 43 direct customs feeds plus 184 mirror-derived countries. Named buyers and named suppliers are available in 38 of the 43 direct markets. Most markets refresh weekly and some refresh daily.

You can search by HS code to see who imports and exports a product, and book a free demo. Start with import data or export data. Then open buyer data and supplier data to see the parties behind the shipment records.

Who ships under 8401?

EximDataX tracks the live import–export records filed under this heading and the 4 codes beneath it: named buyers, suppliers, quantities and values from official customs feeds.

See live data for 8401

Section XVI: Machinery, Electrical Equipment and Parts, chapters 84–85.

Straight answers

HS Code 8401: common questions

What is the HS code for nuclear reactor parts?

Look at 840140. Its wording names parts of nuclear reactors.

What is subheading 8401.30?

It is the dotted way to write 840130, the line for fuel cartridges.

Which code covers isotopic separation machinery?

That is 840120. It also takes parts of such machinery.

What is the difference between 840110 and 840140?

One is the complete reactor and the other is only a piece of it.

Do tariff rates for heading 8401 depend on the country?

Yes. Rates come from each national tariff, not from the six-digit code. Confirm the code first, then check your local tariff.

See what your buyers are buying.Then decide.

Everything we show you comes from official customs filings — records, not claims. 30 minutes. Your shipment. Your HS code. Real platform. If you don’t see something new about your market by the end of the call, we walk away. No follow-ups.

Free 3-day test account. No card on file. No funnel email sequence.