Brazil NCM · 8-digit subitem

NCM 8423.90.21 – Parts of personal and household scales

NCM 8423.90.21 (also written 84239021) is Brazil's code for parts of personal and household scales. Its first 6 digits are HS code 8423.90.

Official description of NCM 8423.90.21

PortuguêsOfficial
De aparelhos ou instrumentos da subposição 8423.10
EnglishUnofficial translation

Of machinery or instruments of subheading 8423.10

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

How to read NCM 8423.90.21

84Chapter 23Heading 90Subheading

HS code 8423.90
Same in every country

2Item 1Subitem

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 84.23 Weighing machines; excluding balances of a sensitivity of 5cg or better, including weight operated counting or checking machines and weights of all kinds Aparelhos e instrumentos de pesagem, incluindo as básculas e balanças para verificar peças usinadas (fabricadas*), excluindo as balanças sensíveis a pesos não superiores a 5 cg; pesos para quaisquer balanças.
  3. Subheading 8423.90 Weighing machines; weights of all kinds, parts of weighing machinery Pesos para quaisquer balanças; partes de aparelhos ou instrumentos de pesagem
  4. Item 8423.90.2 Parts Partes
  5. Subitem 8423.90.21 Of machinery or instruments of subheading 8423.10 De aparelhos ou instrumentos da subposição 8423.10

Other NCM codes under HS 8423.90

8423.90.10 Weights for all kinds of balancesPesos 8423.90.29 Other parts of weighing machineryOutras

Questions about NCM 8423.90.21

What is NCM 8423.90.21?

NCM 8423.90.21 (84239021) is the Brazilian (Mercosur) code for parts of personal and household scales. Its official Portuguese description is “De aparelhos ou instrumentos da subposição 8423.10”.

What is the HS code for NCM 8423.90.21?

HS 8423.90 (Weighing machines; weights of all kinds, parts of weighing machinery). 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 8423.90.21?

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.