Brazil NCM · 8-digit subitem

NCM 8473.30.42 – Computer memory modules up to 50 cm²

NCM 8473.30.42 (also written 84733042) is Brazil's code for computer memory modules up to 50 cm². Its first 6 digits are HS code 8473.30.

Official description of NCM 8473.30.42

PortuguêsOfficial
Placas (módulos) de memória com uma superfície inferior ou igual a 50 cm²
EnglishUnofficial translation

Memory boards (modules) with a surface area not exceeding 50 cm²

Nomenclatura Comum do Mercosul (Siscomex). Updated Oct 2026 · In force since Apr 2022 (Res Gecex 272/2021).

How to read NCM 8473.30.42

84Chapter 73Heading 30Subheading

HS code 8473.30
Same in every country

4Item 2Subitem

Added by Mercosur
Brazil, Argentina, Paraguay, Uruguay

The first 6 digits are the international HS code, so their meaning is the same in every country; Brazil publishes the text in Portuguese. Digits 7 and 8 are Brazil's own split of that HS code. The full 8-digit code is used on import declarations (DUIMP), invoices (NF-e) and tax filings.

Full classification path

  1. Chapter 84 Machinery and mechanical appliances, boilers, nuclear reactors; parts thereof Reatores nucleares, caldeiras, máquinas, aparelhos e instrumentos mecânicos, e suas partes.
  2. Heading 84.73 Machinery; parts and accessories (other than covers, carrying cases and the like) suitable for use solely or principally with machines of headings 84.70 to 84.72 Partes e acessórios (exceto estojos, capas e semelhantes) reconhecíveis como exclusiva ou principalmente destinados às máquinas ou aparelhos das posições 84.70 a 84.72.
  3. Subheading 8473.30 Machinery; parts and accessories (other than covers, carrying cases and the like) of the machines of heading no. 8471 Partes e acessórios das máquinas da posição 84.71
  4. Item 8473.30.4 Printed circuits with electrical or electronic components, assembled Circuitos impressos com componentes elétricos ou eletrônicos, montados
  5. Subitem 8473.30.42 Memory boards (modules) with a surface area not exceeding 50 cm² Placas (módulos) de memória com uma superfície inferior ou igual a 50 cm²

Other NCM codes under HS 8473.30

8473.30.11 Computer cabinets with power supplyCom fonte de alimentação, mesmo com módulo display numérico 8473.30.19 Computer cabinets without power supplyOutros 8473.30.31 Hard disk head-disk assemblies (HDA)Conjuntos cabeça-disco (HDA - Head Disk Assembly) de unidades de discos rígidos, montados 8473.30.32 Magnetic head positioning arms for drivesBraços posicionadores de cabeças magnéticas 8473.30.33 Magnetic heads for computer disk or tape drivesCabeças magnéticas 8473.30.34 Tape transport mechanisms for tape drivesMecanismos bobinadores para unidades de fitas magnéticas (magnetic tape transporter) 8473.30.39 Other parts of computer disk or tape drivesOutras 8473.30.41 Computer motherboardsPlacas-mãe (mother boards) 8473.30.49 Other assembled computer circuit boardsOutros 8473.30.90 Other computer parts and accessoriesOutros

Questions about NCM 8473.30.42

What is NCM 8473.30.42?

NCM 8473.30.42 (84733042) is the Brazilian (Mercosur) code for computer memory modules up to 50 cm². Its official Portuguese description is “Placas (módulos) de memória com uma superfície inferior ou igual a 50 cm²”.

What is the HS code for NCM 8473.30.42?

HS 8473.30 (Machinery; parts and accessories (other than covers, carrying cases and the like) of the machines of heading no. 8471). The first 6 digits of an NCM code are its international HS code; the last 2 digits are Brazil's own split.

Is an NCM code the same as an HS code?

The first 6 digits are the same in every country. NCM adds an item digit (7th) and a subitem digit (8th). A code ending in 00 means Brazil does not split that HS code further.

Which countries use NCM 8473.30.42?

All Mercosur members use the same NCM codes: Argentina, Brazil, Paraguay and Uruguay.

Source: Siscomex Classif NCM table, updated Oct 2026 (Resolução Gecex nº 926/2026). The Portuguese text is the official one; the English is our translation.