SECTION I
TM9-2320-266-24P
(1) Source Code. The source code tells you
AD -(Assembled
cates the item is assembled at a
how to get an item needed for maintenance, repair or
by Depot)
bled at a higher level, order the
overhaul of an end item/equipment. Explanations of
item from the higher level of
source codes follows:
maintenance.
XA -
Do not requisition an "XA"-coded ltem.Or-
Application/Explanation
der its next higher assembly. (Also, refer to
the NOTE below.)
PA
Stocked items; use the applicable NSN to
XB-
If an "XB" item is not available from salvage
PB
request/requisition items with these
PC**
order it using the CAGE and part number
source codes. They are authorized to the
given
PD
category indicated by the code entered in
XC-
Installation drawing, diagram, instruction
PE
3d position of the SMR code.
sheet, field service drawing, that is identi-
PF
fied by the manufacturer's part number.
PG
**Items coded PC are subject to deteriora
XD-
Item is not stocked. Order an "XD"-
tion.
coded item through normal supply chan-
Items with these codes are not to be
KD
nels using the CAGE and part number
requested/requisitioned individually. They
KF
given, if no NSN is available.
KB
are part of a kit which is authorized to the
NOTE: Cannibalization or controlled exchange, when
maintenance category indicated in the 3d
authorized, may be used as source of supply for items
position of the SMR code. The complete kit
with the above source codes, except for those source
must be requisitioned and applied.
coded "XA" or those aircraft support items restricted by
requirements of AR 700-42.
Items with these codes are not
MO -(Made at UM
(2) Maintenance Code. Maintenance codes tell
AVUM Level)
to be requested/ requisitioned
you the level(s) of maintenance authorized to USE and
MF -(Made at DS/
individually. They must be made
REPAIR support items. The maintenance codes are
AVUM Level)
from bulk material which is identi
entered in the third and fourth positions of the SMR
fied by the part number in the
Code as follows:
DESCRIPTION AND USABLE
(a) The maintenance code entered in the
ON CODE (UOC) column and
third position tells you the lowest maintenance level
listed in the Bulk Material group
authorized to remove, replace and use an item. The
ML -(Made at
of the repair parts list in this
maintenance code entered in the third position will indi-
Specialized Repair RPSTL. If the item is authorized
cate authorization to one of the following levels of main-
Act (SRA))
to you by the 3d position code
tenance:
of the SMR code, but if the
MD -(Made at
source code indicates it is made
Depot)
at a higher level, order the item
Crew or operator maintenance done within
C-
from the higher level of mainten-
unit or aviation unit maintenance.
ance.
Unit maintenance or aviation unit category
O-
AO -(Assembled by
Items with these codes are not
can remove, replace and use the item.
UM/AVUM Level)
to be requested/requisitioned
individually The parts that
Direct support or aviation intermediate
F-
make up the assembled item
AF -(Assembled by
level can remove, replace and use the item.
DS/AVIM Level
must be requisitioned or fabrica
ted and assembled at the level
AH -(Assembled by
H-
General support level can remove, replace
of maintenance indicated by
the source code. If the 3d posi-
GS Category)
and use the item.
tion code of the SMR code by
AL -(Assembled by
L-
authorizes you to replace the
Specialized repair activity can remove, re-
item, but the source code indi-
place and use the item.
SRA)
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