Government uses National Stock Number's (NSN) which contain sub-groups that identify the Federal Supply Groups
(FSG) , Federal
Supply Classes (FSC) , Nato Country Code, National Item Identification Number
NIIN) and the
serial number of the product.
Federal Supply Group (FSG)
is identify by the first two
digits. The broad category
in which the item belongs. National Item Identification Number (NIIN) is the last 9 positions and
identify the specific item.
The first two positions of the NIIN identify the NATO country code for the
country making the number assignment.
The last seven digits of the NIIN are the item serial number.
The serial number does not follow an assignment pattern. it is merely a number for the item.
WebFLIS Has a Public Query and a Restricted / Sign-on
Display pictures for associated NSNs.
These are representative pictures only of the item of supply. As
they are a generic representation, they may not look exactly
like the item of production the user may receive in response to
If an NSN has a picture available, it will be displayed on the
WebFLIS NIIN Output Data screen in a "thumbnail" picture.
The user may click on the picture for an enlarged version of the
For more detailed information, please refer to the Frequently
Asked Questions section on the
WebFLIS Home Page.