The NATO Stock Number Format is well documented in the NATO Codification Publications, but much ambiguity circulates around the actual definition and use of the terminology. This is a forum for discussion of the NATO Stock Number format, the official terminology and unofficial terminology.

Customers are often trying to find how to search for NSNs with the Official USA and NATO Data Services

Customers' Questions and Answers on the subject of Counterfeit Supply Items using a NATO Stock Number or National Stock Number

Customers often ask (hundreds of times a day) - what is the NSN for this widget or gizmo. Here is a list of answers from our conversations, please feel free to contribute with your knowledge.

What Color? What Size? What Material? How Long?