TM 10-8340-226-13&P
CODE
EXPLANATION
MO-(Made at unit/
Items with these codes are not to be requested/
AVUM Level)
requisitioned individually. They must be made
MF-(Made at DS/
from bulk material that is identified by the
AVUM Level)
part number in the DESCRIPTION AND USABLE ON
MH-(Made at GS
CODE (UOC) column and listed in the bulk material
Level)
group of the repair parts list in this RPSTL.
ML-(Made at Spe-
If the item is authorized to you by the third
cialized Re-
position code of the SMR code, but the source
pair Act (SRA)
code indicates it is made at a higher level,
MD-(Made at Depot)
order the item from the higher level of maintenance.
AO-(Assembled by
Items with these codes are not to be requested/
unit/AVUM Level) requisitioned individually. The parts that make
AF-(Assembled by
up the assembled item must be requisitioned or
DS/AVIM Level)
fabricated and assembled at the level of maint-
AH-(Assembled by
enance indicated by the source code. If the
GS Category)
third position code of the SMR code authorizes you
AL-(Assembled by
to replace the item, but the source code indicates
SRA)
the item is assembled at a higher level, order
AD-(Assembled by
the item from the higher level of maintenance.
Depot)
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 CAGEC 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 CAGEC 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.
C-3