TM 9-2330-371-14&P C01
SECTION I
cates the item is assembled at a
AD(Assembled
(1) Source Code. The source code tells you
bled at a higher level, order the
by Depot)
how to get an item needed for maintenance, repair or
item from the higher level of
overhaul of an end item/equipment. Explanations of
maintenance.
source codes follows:
Do not requisition an "XA''-coded ltem. Or-
XA -
Application/Explanation
Code
der its next higher assembly. (Also, refer to
the NOTE below.)
PA
Stocked items; use the applicable NSN to
If an "XB" item is not available from salvage
XB
request/requisition items with these
PB
order it using the CAGE and part number
PC**
source codes. They are authorized to the
given
PD
category indicated by the code entered in
Installation drawing, diagram, instruction
XC
PE
3d position of the SMR code.
sheet, field service drawing, that is identi-
PF
fied by the manufacturer's part number.
**Items coded PC are subject to deteriora
PG
Item is not stocked. Order an "XD-
XD
tion.
coded item through normal supply chan-
Items with these codes are not to be
KD
nels using the CAGE and part number
KF
requested/requisitioned individually. They
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
to be requested/ requisitioned
AVUM Level)
you the level(s) of maintenance authorized to USE and
individually. They must be made
MF(Made at DS/
REPAIR support items. The maintenance codes are
from bulk material which is identi
AVUM Level)
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
of the repair parts list in this
ML-(Made at
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-
to you by the 3d position code
Act (SRA))
tenance:
of the SMR code, but if the
Application/Explanation
Code
source code indicates it is made
MD-(Made at
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.
ante.
Unit maintenance or aviation unit category
O-
Items with these codes are not
AO-(Assembled by
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.
must be requisitioned or fabrica
DS/AVIM Level)
ted and assembled at the level
General support level can remove, replace
H-
of maintenance indicated by
AH-(Assembled by
and use the item.
the source code. If the 3d posi
GS Category)
tion code of the SMR code by
Specialized repair activity can remove, re-
L-
authorizes you to replace the
AL-(Assembled by
place and use the item.
item, but the source code indi
SRA)
F-2
