TM55-1730-225-23P
CODE
Explanation
MO- (Made at org/
AVUM Level)
MF- (Made at DS/
AVUM Level)
MH- (Made at GS
Level)
ML- (Made at Spe-
cialized Repair
Act (SRA)
MD- (Made at Depot
AO- (Assembled by
org/AVUM Level)
AF- (Assembled by
DS/AVIM Level
AH- (Assembled by
GS Category)
AL- (Assembled by
SRA)
AD- (Assembled by
Depot)
Items with these codes are not to be requested/
requisitioned individually.
They must be made
from bulk material which is identified by the
part number in the DESCRIPTION AND USABLE ON.
CODE (UOC) column and listed in the Bulk Material
group of 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 source
code indicates it is made at a higher level, order
the item from the higher level of maintenance.
Items with these codes are not to be requested/
requisitioned individually.
The parts that make
up these assembled item must be requisitioned or
fabricated and assembled at the level of mainte-
nance indicated by the source code.
If the
3d position code of the SMR code authorizes you to
replace the item, but the source code indicates
the items is assembled at a higher 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.
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