TM 9-2330-390-14&P
C-3.
EXPLANATION OF COLUMNS (SECTIONS II AND III) (Con't).
(1)
Source Code. The source code tells you how to get an item needed for maintenance, repair, or
overhaul of an end item/equipment. Explanations of source codes follow:
Code
MO - Made at UM/AVUM Level
MF - Made at DS/AVIM Level
MH - Made at GS Level
ML - Made at Specialized
Repair Activity (SRA)
MD - Made at Depot
AO - Assembled by UM/AVUM
Level
AF - Assembled by DS/AVIM
Level
AH - Assembled by GS Level
AL
- Assembled by SRA
AD - Assembled at Depot
Application/Explanation
Stocked items; use the applicable NSN to request/
requisition items with these source codes. They are
authorized to the category indicated by the code entered
in the third position of the SMR code.
Items coded PC are subject to deterioration.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Items with these codes are not to be requested/
requisitioned individually. They are part of a kit which is
authorized to the maintenance category indicated in the
third position of the SMR code. me complete kit must be
requisitioned and applied.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Items with these codes are not to be requested/
requisitioned individually. They must be made from bulk
materiel which is identified by the part number in the
DESCRlPTlON AND USABLE ON CODE (UOC) column
and listed in the Bulk Materiel group of the repair parts list
in this RPSTL. If the item is authorized to you by the third
position 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 the
assembled item must be requisitioned or fabricated and
assembled at the level of maintenance indicted by the
source code. If the third position of the SMR code
authorizes you to replace the item, but the source code
indicates that the item is assembled at a higher level, order
the item from the higher level of maintenance.
NOTE
Cannibalization or controlled exchange, when authorized, may be used as a source of
supply for Items with the following source codes, except for those source coded "XA"
or those aircraft support items restricted by requirements of AR 700-42.
Code
Application/Explanation
XA
. . . . . . . . . . . . DO NOT requisition an "XA"-coded item. Order its next higher assembly.
XB . . . . . . . . . . . If an “XB” item is not available from salvage, order it using the CAGE and
part number given.
C-2
