TM 5-4310-368-24P
Code
Explanation
MO-(Made at unit AVUM
Items with these codes are not to be requested/requisitioned
Level)
individually. They must be made from bulk material which is
MF-(Made at DS/AVUM
identified by the part number in the DESCRIPTION and USABLE
Level)
ON CODE (UOC) column and listed in the Bulk Material group of
MH-(Made at GS Level)
the repair parts list in this RPSTL. It the item is authorized to you
ML-(Made at Specialized
by the 3rd position code of the SMR code, but the source code
Repair Activity(SRA))
indicates it is made at a higher level, order the item from the
MD-(Made at Depot)
higher level of maintenance.
Code
Explanation
AO-(Assembled by
unit/AVUM Level)
Items with these codes are not to be requested/requisitioned
AF-(Assembled by
individually. The parts that make up the assembled item must
DS/AVIM Level
be requisitioned or fabricated and assembled at the level of
AH-(Assembled by
maintenance indicated by the source code. If the 3rd position
GS Category)
code of the SMR code authorizes you to replace the item, but
AL-(Assembled by
the source code indicates the items are assembled at a higher
SRA)
level, order the item from the higher level of maintenance.
AD-(Assembled by
Depot)
Code
Explanation
XA-
Do not requisition "XA"-coded item. Order its next higher assembly. (Also,
refer to the NOTE below.)
XB-
If an "XB" item is not available from salvage, order it using the FSCM and part
number given.
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, may be 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 700-72.
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