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NATO Stock Number (NSN) Classifier

Find NSN (NATO Stock Number) codes for military procurement

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How to find NSN codes

1

Enter Description

Type a description of your product or service into the search box above. Be specific (e.g., "wireless mouse" instead of "mouse").

2

Click Find Code

Press the "Find code" button. Our search will analyze your description and match it against the NSN standard in about 1 second.

3

Review Results

Browse the ranked list of codes. The most relevant match is usually at the top. Click any code to copy it.

NSN: NATO Stock Number Classification Guide

Structure & Format

NSN uses a standardized 13-digit identification format:

  • • 4-digit FSC: Federal Supply Class (e.g. 1005 - Guns, 75mm through 125mm)
  • • 2-digit NCB: NATO Country Code (e.g. 00-09 for USA, 99 for UK)
  • • 7-digit NIIN: National Item Identification Number
  • • Complete NSN: 1234-00-123-4567 format
  • • Unique identification: Every item has one NSN globally

NATO & Military Applications

NSN is essential for defense and military logistics:

  • • NATO standardization agreements (STANAGs)
  • • Military supply chain management
  • • Defense procurement and contracting
  • • Allied interoperability programs
  • • Weapon systems and equipment tracking

Global Standardization

NSN enables seamless logistics across NATO member nations and partner countries. The system provides universal identification for over 6 million items, facilitating joint operations, equipment sharing, and multinational defense procurement while maintaining supply chain visibility and inventory control.