(1) Source code. The source code tells you how you get an item needed for maintenance, repair, or overhaul of an end item/equipment. Explanations of
source codes follow:
Stocked items; use the applicable NSN to request/requisition items with these source codes. They are authorized to the level indicated by
the code entered in the 3d position of the SMR code.
Items with these codes are not to be requested/requisitioned individually. They are part of a kit which is authorized to the maintenance level
indited in the 3d position of the SMR code. The complete kit must be requisitioned and applied.
MO-(Made at unit/AVUM Level)
MF-(Made at intermediate DS/
Items with these codes are not to be requested/requisitioned individually. They must be made from bulk material which is
MH-(Made at intermediate
identified by the part number in the DESCRIPTION AND USABLE ON CODE (UOC) column and listed in the bulk material
group in the repair parts list in this RPSTL. If the item is authorized to you by the 3d position code of the SMR code, but the
ML-(Made at Specialized
source code indicates it is made at a higher level, order the item from the higher level of maintenance.
Repair Act (SRA)
MD-(Made at Depot)
AO-(Assembled by unit/AVUM
AF-(Assembled by intermediate
Items with these codes are not to be requested/requisitioned individually. The parts that makeup the assembled item must
be requisitioned or fabricated and assembled at the level of maintenance indicated by the source code. If the 3d position code
AH-(Assembled by intermediate
of the SMR code authorizes you to replace the item, but the source code indicates the item is assembled at a higher level,
order the item from the higher level of maintenance.
AL-(Assembled by SRA)
AD-(Assembled by Depot)