DEFENSE LOGISTICS AGENCY

NSN Assignment Process Flow Guide

Base/Unit Level Acquisition

A National/NATO Stock Number (NSN) must be assigned to any item subject to repetitive procurement,

storage, distribution and/or issue, and all locally purchased, centrally managed items will be named, 

described, identified, classified, and numbered (cataloged) in the Federal Catalog System. Other locally 

purchased items may be cataloged based upon requirements; new item that is associated with the 

acquisition of a new End Item as a part of provisioning for that end-item; new item that is not involved in

end-item provisioning, such as a new item replacing an existing item or a locally purchased item

substituting for an existing item. 41 CFR Subpart 101-30.3 and DoDM 4100.39 (FLIS) – Cataloging Items

of Supply, and DoDM 4140.01 – DoD Supply Chain Materiel Management Procedures.

The information on this flier/guide is for informational purposes only, contact the appropriate DOD component for 

detailed support; compiled by customeroutreach@dla.mil – *Revised October 2023. 
DOD Components Points of Contact and Addresses

DLA Customer Interaction Center (DLA CIC)

Toll Free: 1-877-DLA-CALL (1-877-352-2255) - (DSN): XX-877-352-2255

Email: dlacontactcenter@dla.mil

https://www.dla.mil/HQ/LogisticsOperations/Services/FIC/ 

The USMC uses the Technical Data Management – CATALYST application for Weapon Systems Repair, 

Parts Provisioning and Cataloging.

Marine Corps Logistics Command – http://www.logcom.marines.mil/ 

Email: smblogcomwsmcwipddmt@usmc.mil 

Marine Corps Systems Command – https://www.marcorsyscom.marines.mil/ 

Email: mcsc.lcl.support@usmc.mil 

Email: Catalyst_Support@usmc.mil 

MARCOLOGCOM NSN Assignment request mailbox (smblogcomwsmcdmtrack@usmc.mil)

The U.S. Navy Weapon Systems Support manages the Parts Provisioning and Cataloging.

NAVSUP Weapon Systems Support - (Philadelphia / Mechanicsburg) – NAVSUP P-485

https://www.navsup.navy.mil/public/navsup/wss/ 

Global Distance Support Center (GDSC) - https://www.onetouch.navy.mil/static_ots/index.html

Toll Free: 1-877-4-1-TOUCH (1-877-418-6824) - DSN: 510-428-6824

E-mail: gdsc@navy.mil

Air Force (AF) Processes for Requesting a New NSN and NSN Maintenance Action.

Customers at an AF Base (AFB) or Air National Guard Base (ANGB) or Station (ANGS) uses the Base 86 

(AF86) / D046 System Process. If the Customer is at an Air Logistics Center (ALC) the AF D143C System 

Process is used – AFMCMAN 23-103

Air Material Command - (HQ AFMC/A4/10/A4R)

Air Force Sustainment Center (AFSC) - http://www.afsc.af.mil/

Email: IMCSCustomerSer@us.af.mil 

U.S. Coast Guard (USCG) Parts Provisioning and Cataloging is under the USCG Logistics Centers.

Aviation Logistics Center

Surface Forces Logistics Center

Shore Infrastructure Logistics Center

https://www.dcms.uscg.mil/Our-Organization/Assistant-Commandant-for-Engineering-Logistics-CG-4-/ 

Army Process for Requesting a New NSN and NSN Maintenance Action.

All requests for NSN assignment or maintenance to an existing NSNs need to come from AESIP-LMP. Contact 

the appropriate Army Material Master Cell LCMC points of contact – AR 708-1

AMCOM: usarmy.redstone.amcom.mbx.immc-material-master-cell@mail.mil 

CECOM: usarmy.APG.cecom.mbx.lrc-lmp-master-data-support@mail.mil 

CECOM CSLA: usarmy.huachuca.usamc.mbx.material-master-support@mail.mil 

TACOM: usarmy.detroit.tacom.mbx.ilsc-material-master@mail.mil

PEO Soldier – Soldier Enhance Program: https://www.peosoldier.army.mil/SEP/ 

Manufacturers and Suppliers can solicit and offer items for sale through various DOD and Federal web sites:

DLA: https://www.dla.mil/Small-Business/

Army: https://osbp.army.mil/Small-Business/How-to-Do-Business-with-the-Army 

USMC: https://www.marcorsyscom.marines.mil/Work-With-Us/Office-of-Small-Business-Programs/ 

Navy: https://www.secnav.navy.mil/smallbusiness/Pages/programs.aspx

Air Force: https://www.airforcesmallbiz.af.mil/

Office of Secretary of Defense: https://www.acq.osd.mil/doing-business.html

GSA: https://www.gsa.gov/sell-to-government?topnav=sell-to-government

Manufacturer and Suppliers can also respond to solicitations for bid at: https://sam.gov/content/home and https://www.dibbs.bsm.dla.mil/