scope:

a. This instruction applies to NAVSEASYSCOM, SPAWARSYSCOM and NAVAIRSYSCOM organizations that have management responsibility for shipboard installed and shore based equipment requiring maintenance data reporting through the Navy Ships Maintenance, Material Management (3-M) Maintenance Data System (MDS).

b. This instruction does not apply to material or equipment under the cognizance of the Strategic Systems Project Office (PM-1) and the Deputy Commander for Nuclear Propulsion (NAVSEA-08). Also exempted are Work Unit Codes (WUC) applicable to aircraft and aeronautical support equipment under the cognizance of the Naval Air Systems Command.