NSN Lookup: find the part, buy the part, sell the part
Search 36 million National Stock Numbers and NATO Stock Numbers free. Then get a quote for one part or a whole list, list your inventory in the NSN Marketplace, or put the data inside your own systems and AI assistants.
Get a quote Sell your inventory NSN data API- 36 millionNSNs with FLIS and NATO data
- 12,000+distributors in the Marketplace
- Freefor government and military buyers
- Since 1999NSN Lookup Inc, Melbourne, Florida. CAGE 99V35, SAM registered
What do you need to get done?
One place to research a part, buy it, sell it, or connect the data to your own systems.
For buyers Premium NSN data Approved sources, procurement history, DLA stock and forecasts, weapon systems and no ads. $199 for the first year until December 15 See buyer plans For sellers List your inventory Send us your stock list and appear on the NSN pages that government and contractor buyers already search. $100 a month or $1,080 a year Start selling Need the part? Get a quote Send one NSN or your whole shortage list. We reply with sources, stock and a price, usually in one business day. First 25 NSNs free Request a quote For developers NSN data API Put NSN, part number and CAGE lookups inside your ERP, MRO or quoting system with one HTTPS call. Free to start, then $99 a month See the API For Claude and ChatGPT users NSN answers in your AI Add NSN Lookup to Claude or ChatGPT in about two minutes, no code. Your assistant answers from real catalog records. Free to start, with your NSN Lookup account Show me how
Works with your AI assistant
Look up National Stock Numbers and NATO Stock Numbers, match part numbers, check stock and get quotes for a whole list, right inside the assistant you already use.
- Claude
- ChatGPT
- Gemini
- Copilot
- Cursor

NSN Lookup search and retrieve data on items that have a National Stock Number or NATO Stock Number (NSN)
An NSN is a unique 13-digit number used by the United States and NATO countries to classify and track items of supply.
NSN Lookup tools also known as National Stock Number Lookup or NATO Stock Number Lookup tools allow users to search for specific items by entering the NSN, partial NSN or NIIN. The tools provide detailed information about items, including description, characteristics, part numbers, pricing and availability.
NSN Lookup tools facilitate logistics, procurement, and supply chain management for military organizations and government agencies. They help streamline the process of identifying and procuring the correct items by providing standardized information and ensuring interoperability among different entities.
Equipment Intelligence , Technical Manuals and Supply Chain Data
NATO Stock Number Database Over 36 million NSNs
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