TM 3-1040-281-20&P
Explanation
Stocked items; use the applicable NSN to request/requisition items with these source
codes. They are authorized to the category 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 category indicated 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
Items with these codes are not to be requested/requisitioned individually. They must be
Intermediate DS/
made from bulk material which is identified by the part number in the DESCRIPTION
AVIM Level)
AND USABLE ON CODE (UOC) column and listed in the bulk material group in the repair
MH-(Made at
Intermediate GS
parts list in this RPSTL. If the item is authorized to you by the 3d position code of the
SMR code, but the source code indicates it is made at a higher level, order the item from
Level)
the higher level of maintenance.
ML-(Made at
Specialized
Repair Act (SRA)
MD-(Made at Depot)
AO-(Assembled at unit
t/AVUM Level)
AF-(Assembled at
Intermediate DS/
Items with these codes are not to be requested/requisitioned individually. The parts that
AVIM Level)
make up the assembled item must be requisitioned or fabricated and assembled at the
AH-(Assembled by
level of maintenance indicated by the source code. If the 3d position code of the SMR
Intermediate GS
code authorizes you to replace the item, but the source code indicates the item is
Level)
assembled at a higher level, order the item from the higher level of maintenance.
AL-(Assembled by
SRA)
AD-(Assembled by
Depot)
XA
- Do not requisition an "XA -coded item. Order its next higher assembly. (Also, refer to the NOTE below.)
- If an "XB item is not available from salvage, order it using the FSCM and part number given.
XB
XC - Installation drawing, diagram, instruction sheet, field service drawing, that is identified by manufacturer's
part number.
XD - Item is not stocked. Order an "XD" -coded item through normal supply channels using the FSCM and part
number given, if no NSN is available.
NOTE
Cannibalization or controlled exchange, when authorized, maybe used as a source of supply for items
with the above source codes, except for those source coded "XA" or those aircraft support items
restricted by requirements of AR 700-42.
C-2