Military Centre for Standardization, Quality and Codification

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NATO Stock Number

NATO Stock Number – NSN - identifies the armed forces item of supply, i.e. material product which is materiel (weaponry and military equipment) or its spare parts or material and common use articles used by the armed forces to meet specific requirements.

The NSN contains a description of products which is formulated according to an agreed set of international rules and procedures of NCS, as it pertains to the use of uniform classification, technical and logistic characteristics, in addition to information regarding the manufacturer and supplier.

The NSN is a 13 digit number and is divided into 3 parts, as follows:

  • The first 4 digits are the NATO Supply Classification Code (NSC) and groups the item with other similar items,
  • The next 2 digits indicate the NCB assigning the NSN (43 = Poland),
  • The final 7 digits of an NSN are sequential numbers generated automatically by a codification information system. The number is assigned to one, and to only one, Item of Supply within the codifying country.

The data of assigned NSNs is collected and published in national and international databases. In Poland, it is the Polish Items of Supply Database, called PolKod, which is available for the codification bureaux and Polish MoD institutions. The international publication is called NMCRL and is available on a subscription basis to all interested users.

NMCRL – NATO Master Catalogue of References for Logistics

NMCRL is an international publication of codification data developed within NCS by all participating nations.

NMCRL is a product of the NATO Support and Procurement Agency (NSPA) published on behalf of AC/135. It is available on a subscription basis in DVD and web-based formats.

  • wersja w języku polskim
  • BIP


Military Centre for Standardization, Quality and Codification
Nowowiejska 28a
00-909 Warszawa
tel. 261845700
fax. 261845891

  • wersja w języku polskim
  • BIP
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