---
id: "niin"
kind: "datatype"
status: "draft"
is_pii: false
categories: ["industry", "government"]
langs: ["common"]
quality: 80
url: "https://registry.apicrafter.io/datatype/niin"
---

# National Item Identification Number (NIIN) (`niin`)

> **Draft.** Draft records have not been reviewed yet and may be incomplete or wrong; do not treat them as authoritative for legal or compliance decisions.

Nine-digit number of an item of supply in the NATO Codification System, the last nine digits of a NATO Stock Number (nato_stock_number). The first two digits are the National Codification Bureau of the country that first codified the item, and the other seven have no meaning. It is written as NN-NNN-NNNN or without hyphens.

- Personal data (PII): no
- Categories: Industry (industry), Government related (government)
- Countries: global
- Languages: Common to most languages (common)
- Classification: identifier

## Detection

Regular expression (Python `re`):

```
^\d{2}(?:-\d{3}-|\d{3})\d{4}$
```

## Examples

- `00-121-6210` — Item codified by the United States
- `01-498-1913` — Item codified by the United States
- `001216210` — Without hyphens
- `0-121-6210` (invalid example) — The country code must have two digits

## Translations

- ru: Национальный идентификационный номер предмета снабжения (NIIN)

## Sources

- wikipedia: <https://en.wikipedia.org/wiki/National_Item_Identification_Number>

## Quality

Score 80/100. Missing: mapping (Wikidata, Schema.org, ...), detector coverage.

JSON: <https://registry.apicrafter.io/api/v1/datatypes/niin.json> · Edit: <https://github.com/apicrafter/metacrafter-registry/edit/main/data/datatypes/any/industry/niin.yaml>