Brazil NCM · 8-digit subitem

NCM 5604.90.10 – Imitation catgut of silk yarn

NCM 5604.90.10 (also written 56049010) is Brazil's code for imitation catgut of silk yarn. Its first 6 digits are HS code 5604.90.

Official description of NCM 5604.90.10

PortuguêsOfficial
Imitações de categute constituídas por fios de seda
EnglishUnofficial translation

Imitation catgut made of silk yarn

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

How to read NCM 5604.90.10

56Chapter 04Heading 90Subheading

HS code 5604.90
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 56 Wadding, felt and nonwovens, special yarns; twine, cordage, ropes and cables and articles thereof Pastas (ouates), feltros e falsos tecidos (tecidos não tecidos); fios especiais; cordéis, cordas e cabos; artigos de cordoaria.
  2. Heading 56.04 Rubber thread and cord, textile covered; textile yarn and strip and the like of heading no. 5404, 5405; impregnated, coated, covered or sheathed with rubber or plastics Fios e cordas, de borracha, recobertos de têxteis; fios têxteis, lâminas e formas semelhantes das posições 54.04 ou 54.05, impregnados, revestidos, recobertos ou embainhados de borracha ou de plástico.
  3. Subheading 5604.90 Yarn; textile yarn, strip, and the like of heading no. 5404 or 5405, impregnated, coated, covered, or sheathed with rubber or plastics, n.e.c. in heading no. 5604 Outros
  4. Subitem 5604.90.10 Imitation catgut made of silk yarn Imitações de categute constituídas por fios de seda

Other NCM codes under HS 5604.90

5604.90.21 High-tenacity yarn, rubber impregnated or coatedCom borracha 5604.90.22 High-tenacity yarn, plastic impregnated or coatedCom plástico 5604.90.90 Other rubber- or plastic-coated yarn and stripOutros

Questions about NCM 5604.90.10

What is NCM 5604.90.10?

NCM 5604.90.10 (56049010) is the Brazilian (Mercosur) code for imitation catgut of silk yarn. Its official Portuguese description is “Imitações de categute constituídas por fios de seda”.

What is the HS code for NCM 5604.90.10?

HS 5604.90 (Yarn; textile yarn, strip, and the like of heading no. 5404 or 5405, impregnated, coated, covered, or sheathed with rubber or plastics, n.e.c. in heading no. 5604). 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 5604.90.10?

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.