Sao Tome and Principe HS Code

HS Code 840120: Nuclear reactors; fuel elements (cartridges), nonirradiated, for nuclear reactors; machinery and apparatus for isotopic separation : Machinery and apparatus for isotopic separation, and parts thereof (Euratom) in Sao Tome and Principe

Q: Is HS code 840120 the same across all countries?

Yes — up to the 6-digit level, HS code 840120 is the same in every WCO member country. Beyond 6 digits, each country extends the code for national tariff and statistical use. Sao Tome and Principe extends it under HS-ST.

Q: What system does Sao Tome and Principe use to classify HS code 840120?

Sao Tome and Principe classifies products under the Pauta Aduaneira (HS-ST; locally Pauta Aduaneira), which extends HS codes to 8 digits. The first 6 digits align with the WCO Harmonized System, and the rest cover national tariff and statistical needs.

Q: Where can I officially look up HS code 840120 in Sao Tome and Principe?

The official source is https://www.alfandegas.gov.st/. For faster cross-country lookups, TradeInt's HS Code Tool consolidates classifications across all major countries in one place.

What is HS Code 840120 in Sao Tome and Principe

Under Sao Tome and Principe's Pauta Aduaneira (Pauta Aduaneira), HS Code 840120 is the WCO Harmonized System subheading for Nuclear reactors; fuel elements (cartridges), nonirradiated, for nuclear reactors; machinery and apparatus for isotopic separation : Machinery and apparatus for isotopic separation, and parts thereof (Euratom). This is the most detailed internationally standardized level; Sao Tome and Principe extends classifications to 8 digits under its national tariff system. 840120 belongs to Section XVI: 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 articles, Chapter 84: Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof, Heading 8401: Nuclear reactors; fuel elements (cartridges), nonirradiated, for nuclear reactors; machinery and apparatus for isotopic separation.

Explore more 2026 Latest Sao Tome and Principe import export trade data and shipment records for HS Code Isotope Separation Apparatus on TradeInt global trade data platform

Classification Path of HS Code 840120 in Sao Tome and Principe

Section XVI

Chapters (84-85) 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 articles

Chapter 84

Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof

HS Code 8401

Nuclear reactors; fuel elements (cartridges), nonirradiated, for nuclear reactors; machinery and apparatus for isotopic separation

HS Code 840120

Nuclear reactors; fuel elements (cartridges), nonirradiated, for nuclear reactors; machinery and apparatus for isotopic separation : Machinery and apparatus for isotopic separation, and parts thereof (Euratom)

HS Code 84012000

Reatores nucleares; elementos combustíveis (cartuchos) não irradiados, para reatores nucleares; máquinas e aparelhos para a separação de isótopos: Máquinas e aparelhos para a separação de isótopos, e suas partes (Euratom)

Sao Tome and Principe Tariff Classification: Pauta Aduaneira (HS-ST)

In Sao Tome and Principe, HS 840120 is classified under the Pauta Aduaneira (Pauta Aduaneira) — a 8-digit national extension of the WCO 6-digit Harmonized System.

Tariff schedule Pauta Aduaneira (HS-ST)

Local name Pauta Aduaneira

Digits 8

Official source https://www.alfandegas.gov.st/

You know what 840120 means. Now see 2026 latest real trade activity for Isotope Separation Apparatus in Sao Tome and Principe.

Buyers, suppliers, origin and destination countries, shipment dates, and quantities direct from customs records.

Search 2026 Latest Sao Tome and Principe Import Data Search 2026 Latest Sao Tome and Principe Export Data

Top Trading Product of HS Code 8401

Top Sao Tome and Principe import Product Under HS Code 8401

1 840120: Machinery and apparatus for isotopic separation, and parts thereof (Euratom) $69 2 840110: Nuclear reactors (Euratom) $32

Figures shown for 2023.

For more 2026 recent data, search for Sao Tome and Principe import trade records

Related HS Code to Sao Tome and Principe Isotope Separation Apparatus (840120)

HS Code 84012000

HS Code 840110

Nuclear reactors; fuel elements (cartridges), nonirradiated, for nuclear reactors; machinery and apparatus for isotopic separation : Nuclear reactors (Euratom)

HS Code 840130

Nuclear reactors; fuel elements (cartridges), nonirradiated, for nuclear reactors; machinery and apparatus for isotopic separation : Fuel elements (cartridges), nonirradiated (Euratom)

HS Code 840140

Nuclear reactors; fuel elements (cartridges), nonirradiated, for nuclear reactors; machinery and apparatus for isotopic separation : Parts of nuclear reactors (Euratom)

HS Code 840211

Steam or other vapour generating boilers (other than central heating hot water boilers capable also of producing low pressure steam); superheated water boilers : Steam or other vapour generating boilers : Watertube boilers with a steam production exceeding 45 tonnes per hour

HS Code 840212

HS Code 840219

Steam or other vapour generating boilers (other than central heating hot water boilers capable also of producing low pressure steam); superheated water boilers : Steam or other vapour generating boilers : Other vapour generating boilers, including hybrid boilers

HS Code 840220

Steam or other vapour generating boilers (other than central heating hot water boilers capable also of producing low pressure steam); superheated water boilers : Superheated water boilers

HS Code 840290

Steam or other vapour generating boilers (other than central heating hot water boilers capable also of producing low pressure steam); superheated water boilers : Parts

HS Code 840310

Central heating boilers other than those of heading 8402 : Boilers

Frequently Asked Questions

What is HS code 840120 in Sao Tome and Principe?

HS code 840120 covers Nuclear reactors; fuel elements (cartridges), nonirradiated, for nuclear reactors; machinery and apparatus for isotopic separation : Machinery and apparatus for isotopic separation, and parts thereof (Euratom) in Sao Tome and Principe. It sits in Chapter 84 (Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof), Heading 8401 of the Harmonized System, and is classified under HS-ST.

Is HS code 840120 the same across all countries?

What system does Sao Tome and Principe use to classify HS code 840120?

Where can I officially look up HS code 840120 in Sao Tome and Principe?