Defense Logistics Agency
Self-Help Tools Side-by-Side Comparison
Text Only Brochure
The National Stock Number
A National Stock Number (NSN) is simply the official label applied to an item of supply that is repeatedly procured, stocked, stored, issued and used throughout the federal supply system.
During NSN assignment, a wide range of logistics data is assembled to define the item of supply. This information includes the item name, manufacturer’s part number, unit price, characteristics, shelf life and information associated with how to dispose of the item when requirements are no longer needed.
The NSN is officially recognized by the United States government, the North Atlantic Treaty Organization (NATO), and any international partners around the world.
Web Federal Logistics Information System (WebFLIS)
WebFLIS provides essential information about supply items including the NSN, the item name and company data (including part numbers), through a web interface connected to Federal Logistics Information System (FLIS) data. This information is primarily used by DLA, military services, and United States Government sponsored contractors doing business with the U.S. Government. WebFLIS data is updated multiple times a day. WebFLIS has additional tabs such as Advanced Characteristics Search, Medical, Weapon System and a Bill of Material (BOM)/Sets, Kits and Outfits (SKO) to allow users to narrow down searches using specific filtering and clear text supply codes with the ability to translate. WebFLIS is available to DLA internal and external customers who have a Personal Identify Verification (PIV), Common Access Card (CAC), External Certificate Authority (ECA) or Federal Bridge authentication.
For more information, please visit: http://www.dla.mil/does/webflis
Federal Logistics Data on Mobile Media (FED LOG)
FED LOG is available by subscription or can be downloaded directly from FedMall. FED LOG is For Official Use Only (FOUO) and is used by engineering, technical research, provisioning, procurement/contracting, supply, cataloging, maintenance, distribution, storage, transportation, quality assurance and disposal personnel to retrieve management, part/reference number, supplier, Commercial and Government Entity (CAGE), freight, Interchangeability and Substitutability (I&S) and characteristics information recorded against NSNs. FED LOG also provides service unique data for additional search capabilities. FED LOG is available to AC/135 Partner Nations funded with an FMS case.
For more information, please visit: http://www.dla.mil/does/fedlog
Public Logistics Data on Mobile Media (PUB LOG)
PUB LOG is an interactive alternative source for users not authorized to access FED LOG or WebFLIS but require National Stock Number (NSN) information and other cataloging information including Federal Supply Classification (FSC) data and Commercial and Government Entity (CAGE) Codes. Restricted data such as service unique data, proprietary data and North Atlantic Treaty Organization (NATO) data is not available in PUB LOG. PUB LOG is available to AC/135 Partner Nations funded with an FMS case.
For more information, please visit: http://www.dla.mil/does/publog
Public Logistics Data on Mobile Media FLIS Search (PUB LOG FLIS Search)
PUB LOG FLIS Search is a downloadable web service that users install to their PC. A onetime download of the executable file is all that is required for making the web service function. Data files are not included. The executable file connects to a secured server that stores and returns data with each query. This data is updated weekly. Users will be notified if an update to the executable file is required. Restricted data such as service unique data, proprietary data and North Atlantic Treaty Organization (NATO) data is not available in PUB LOG FLIS Search. Information is obtained through the Freedom of Information (FOIA), e-Reading room and requires no subscription or CAC authorization.
For more information, please visit: http://www.dla.mil/HQ/InformationOperations/LogisticsInformationServices/FOIAReading.aspx
DLA Customer Interaction Center (DLA CIC)
We’re here for you 24 hours a day, 7 days a week, including Government holidays.
‘One Call Resolution’
Toll Free: 877-DLA-CALL (877-352-2255)
Local Commercial: 269-704-7921 / 269-704-7930 (fax)
Defense Switched Network (DSN): xx-877-352-2255
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Revised May 2019