Brazil NCM · 8-digit subitem

NCM 8540.89.10 – Transmitter power valves

NCM 8540.89.10 (also written 85408910) is Brazil's code for transmitter power valves. Its first 6 digits are HS code 8540.89.

Official description of NCM 8540.89.10

PortuguêsOfficial
Válvulas de potência para transmissores
EnglishUnofficial translation

Power valves for transmitters

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

How to read NCM 8540.89.10

85Chapter 40Heading 89Subheading

HS code 8540.89
Same in every country

1Item 0Subitem

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 85 Electrical machinery and equipment and parts thereof; sound recorders and reproducers; television image and sound recorders and reproducers, parts and accessories of such articles Máquinas, aparelhos e materiais elétricos, e suas partes; aparelhos de gravação ou de reprodução de som, aparelhos de gravação ou de reprodução de imagens e de som em televisão, e suas partes e acessórios.
  2. Heading 85.40 Thermionic, cold cathode or photo-cathode valves and tubes (e.g. vacuum, vapour, gas filled valves and tubes, mercury arc rectifying valves and tubes, cathode-ray and television camera tubes) Lâmpadas, tubos e válvulas, eletrônicos, de cátodo quente, cátodo frio ou fotocátodo (por exemplo, lâmpadas, tubos e válvulas, de vácuo, de vapor ou de gás, ampolas retificadoras de vapor de mercúrio, tubos catódicos, tubos e válvulas para câmeras de televisão), exceto os da posição 85.39.
  3. Group 8540.8 Other valves and tubes: Outras lâmpadas, tubos e válvulas:
  4. Subheading 8540.89 Valves and tubes; n.e.c. in heading no. 8540 Outros
  5. Subitem 8540.89.10 Power valves for transmitters Válvulas de potência para transmissores

Other NCM codes under HS 8540.89

8540.89.90 Other electronic valves and tubesOutros

Questions about NCM 8540.89.10

What is NCM 8540.89.10?

NCM 8540.89.10 (85408910) is the Brazilian (Mercosur) code for transmitter power valves. Its official Portuguese description is “Válvulas de potência para transmissores”.

What is the HS code for NCM 8540.89.10?

HS 8540.89 (Valves and tubes; n.e.c. in heading no. 8540). 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 8540.89.10?

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.