TM10-4610-244-23P
TM09476B-23P/2
Items with these codes are not to be
MO-
(Made at org/
requested/requisitioned individually.
AVUM Level)
They must be made from bulk material
MF-
(Made at DS/
which is identified by the part number
AVUM Level)
in the DESCRIPTION AND USABLE ON CODE
MH-
(Made at GS
(UOC) column and listed in this RPSTL.
Level)
If the item is authorized to you by
ML-
(Made at Spe-
the 3rd position code of the SMR code,
cialized Repair)
but the source code indicates it is
MD-
(Made at Depot)
made at a higher level, order the item
from the higher level of maintenance.
Items with these codes are not to be
AO-
(Assembled by
requested/requisitioned individually.
org/AVUM Level)
The parts that makeup the assembled
AF-
(Assembled by
item must be requisitioned or
DS/AVIM Level)
fabricated and assembled at the level
AH-
(Assembled by
of maintenance indicated by the source
GS Category)
code. If the 3rd position code of the
AL-
(Assembled by
SMR code authorizes you to replace the
SRA)
item, but the source code indicates
AD-
(Assembled by
the items is assembled at a higher
Depot)
level, order the item from the higher
level of maintenance.
XA -
Do not requisition an "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
700-42.
(2) Maintenance Code. Maintenance codes tell you the level(s) of maintenance authorized to USE and REPAIR
support items. The maintenance codes are entered in the third and fourth positions of the lowest maintenance level
1-3
