Brazil NCM · 8-digit code

NCM 3917.31.00 – Flexible plastic tubes, burst pressure 27.6 MPa+

NCM 3917.31.00 (also written 39173100) is Brazil's code for flexible plastic tubes, burst pressure 27.6 MPa+. Its first 6 digits are HS code 3917.31.

Official description of NCM 3917.31.00

PortuguêsOfficial
Tubos flexíveis podendo suportar uma pressão de, pelo menos, 27,6 MPa
EnglishUnofficial translation

Plastics; tubes, pipes and hoses thereof, flexible, having a minimum burst pressure of 27.6MPa

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

How to read NCM 3917.31.00

39Chapter 17Heading 31Subheading

HS code 3917.31
Same in every country

0Item 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. The last two digits are 00 because Brazil does not split this HS code further. The full 8-digit code is used on import declarations (DUIMP), invoices (NF-e) and tax filings.

Full classification path

  1. Chapter 39 Plastics and articles thereof Plástico e suas obras.
  2. Heading 39.17 Tubes, pipes and hoses and fittings thereof (for example, joints, elbows, flanges), of plastics Tubos e seus acessórios (por exemplo, juntas, cotovelos, flanges, uniões), de plástico.
  3. Group 3917.3 Other tubes, pipes and hoses: Outros tubos:
  4. Subheading 3917.31 Plastics; tubes, pipes and hoses thereof, flexible, having a minimum burst pressure of 27.6MPa
  5. Subitem 3917.31.00 Plastics; tubes, pipes and hoses thereof, flexible, having a minimum burst pressure of 27.6MPa Tubos flexíveis podendo suportar uma pressão de, pelo menos, 27,6 MPa

Questions about NCM 3917.31.00

What is NCM 3917.31.00?

NCM 3917.31.00 (39173100) is the Brazilian (Mercosur) code for flexible plastic tubes, burst pressure 27.6 MPa+. Its official Portuguese description is “Tubos flexíveis podendo suportar uma pressão de, pelo menos, 27,6 MPa”.

What is the HS code for NCM 3917.31.00?

HS 3917.31 (Plastics; tubes, pipes and hoses thereof, flexible, having a minimum burst pressure of 27.6MPa). 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 3917.31.00?

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.