Code 8401 20 · Heading 8401

Isotope separators and their parts, not otherwise specified (Euratom)

This code covers isotope separators and parts for isotope separators that are not otherwise specified. It does not cover atom reactors, unirradiated reactor fuel elements, or parts for atom reactors named under the other codes in this group.

For example

An isotope separator, not an atom reactor or an unirradiated reactor fuel element
A part specifically for an isotope separator, not a part for an atom reactor

See the official tariff text

Official tariff text

Machinery and apparatus for isotopic separation and parts thereof, n.e.s. [Euratom]

How we got to this code

XVI
84
8401
8401 20

Show the steps

The path to this code

Every code is reached through these choices, one level at a time.

Step 4 of 4

Step 1 · Section XVI Machinery and mechanical appliances; electrical equ…
Is the product a machine, apparatus or mechanical tool, or is it electrical equipment, a sound recorder or player, or a television image and sound recorder or player?
✓
Step 2 · Chapter 84 Nuclear reactors, boilers, machinery and mechanical… 1 of 2 chapters in section XVI
What is the machine, appliance or part specifically designed to do?
✓
Step 3 · Heading 8401 Nuclear reactors; fuel elements "cartridges", non-i… 1 of 86 headings under chapter 84
Is it a nuclear reactor, an isotope separator or a part of one, an unirradiated fuel element in a casing with special fittings for transport or fastening for a nuclear reactor, or another part for a nuclear reactor?
✓
Step 4 · Subheading 8401 20 Machinery and apparatus for isotopic separation and… 2 of 4 subheadings under heading 8401
Is the product an atom reactor, an unirradiated fuel element in a casing with special fittings for transport or fastening for an atom reactor, or a part for an atom reactor?

Pick the 8-digit code

Import duty on the codes below: 3.7%

Only one code below

8401 20 00

Machinery and apparatus for isotopic separation and parts thereof, n.e.s. [Euratom]

3.7%

This subheading has one 8-digit code, so that is the code to use.

Open 8401 20 00 Save

This is the catch-all under 8401: it covers what the sibling codes below do not.

Within this parent group, this is where isotope separators and their parts belong when they are not one of the separately named atom reactors, unirradiated reactor fuel elements, or parts for atom reactors.

Compare the sibling codes

See all 4 codes at this level

Classification decides the rate here: from 3.7% to 5.7%.

8401 10 Nuclear reactors [Euratom] 5.7%
8401 20 Machinery and apparatus for isotopic separation and parts thereof, n.e.s. [Euratom] you are here 3.7%
8401 30 Fuel elements "cartridges", non-irradiated, in casing with handling fixtures, for nuclear reactors [Euratom] 3.7%
8401 40 Parts of nuclear reactors, n.e.s. [Euratom] 3.7%

Selling to Norway, Great Britain and the United States

What they charge on arrival.

Norway, Great Britain and the United States use their own tariff lines under the 6-digit HS code. The rates below are what their customs charge on goods arriving from the EU. Match the goods against each country's own wording before you rely on a rate.

Norway

Duty free

Their lines1 Norwegian line

84.01.2000 Machinery and apparatus for isotopic separation, and parts thereof

Norwegian tariff data checked Sept. 13, 2026.

Great Britain

Duty free

Their lines1 British line

8401 20 00 00 Machinery and apparatus for isotopic separation, and parts thereof

Northern Ireland follows other rules.

UK tariff data checked Sept. 13, 2026.

United States

10.0%

Estimated from published US measures

Their lines1 US line
Entry dateSept. 17, 2026

8401.20.00.00 Nuclear reactors; fuel elements (cartridges), non-irradiated, for nuclear reactors

The US importer of record files the entry.

US tariff data checked Sept. 16, 2026.

See the 1 Norwegian line

Selling to Norway

Norway splits the 6-digit category its own way, so these are Norway's own lines under it, not this EU code. Check your product against their wording; what Norwegian customs charges is shown per line.

84.01.2000

Machinery and apparatus for isotopic separation, and parts thereof

Ordinary duty

Duty free

Norwegian tariff data version 1.5/1.2, last checked Sept. 13, 2026.

Contains data from Norwegian Customs (data.toll.no), licensed under CC BY 4.0, adapted for display.

See the 1 British line

Selling to Great Britain

What UK customs charges when goods like these arrive in Great Britain.

8401 20 00 00

Machinery and apparatus for isotopic separation, and parts thereof

Ordinary duty

Duty free

These rates apply in Great Britain. Different rules may apply for goods entering Northern Ireland.

UK tariff data version v4.0.1599, last checked Sept. 13, 2026.

Contains public sector information licensed under the Open Government Licence v3.0.

Source: UK Department for Business and Trade (data.api.trade.gov.uk).

See the 1 US line

Selling to the United States

What US customs charges when goods like these arrive from the EU. The US importer of record files the entry and pays the duty.

8401.20.00.00

Nuclear reactors; fuel elements (cartridges), non-irradiated, for nuclear reactors; machinery and apparatus for isotopic separation; parts thereof, Machinery and apparatus for isotopic separation, and parts thereof

General rate

2.6%

From the EU

10.0% Estimated from published US measures US headings applied: 9903.05.39 Section 301 forced-labour action, 91 FR 47318 (memorandum 91 FR 47717), U.S. note 52 to subchapter III of chapter 99

Worked out for an entry on Sept. 17, 2026.

US tariff schedule 2026HTSRev19, last checked Sept. 16, 2026.

Last change we recorded: Revision 19 (2026), Sept. 16, 2026.

Anti-dumping and countervailing duties, US import taxes and customs fees are not included.

The descriptions above are the US tariff texts, which the United States publishes in English only.

Source: the US International Trade Commission's Harmonized Tariff Schedule (hts.usitc.gov), public domain, and the measures published in the Federal Register.

This is a planning estimate from the US Harmonized Tariff Schedule (revision shown) and the published Federal Register measures as of the date shown, for a shipment of EU origin. It is not a customs entry, legal advice or a broker's opinion, and tariffs.help is not a US-licensed customs broker. The US importer of record or their broker confirms the classification, origin, value and the duty due before filing.

Duty rates shown here are estimates, read from official EU / Danish, Norwegian and UK tariff data for orientation only. Confirm the current rate with Toldstyrelsen, TARIC, Norwegian Customs or the UK Online Trade Tariff before you file. The rate you pay can also depend on the country of origin. These are base customs duties only: import VAT, excise duties, anti-dumping duties and safeguard or quota measures are not included.