TM 9-2330-251-14&P
F-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:
Application/Explanation
Code
PA
PB
Stocked items; use the applicable NSN to request/requisition
PC**
items with these source codes. They are authorized to the
category indicated by the code entered in the 3rd position of the
PD
SMR code.
PE
PF
PG
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 3rd position of the SMR
code. The complete kit must be requisitioned and applied.
Items with these codes are not to be requested/requisitioned
MO - Made at ORG/
individually. They must be made from bulk materiel which is
AVUM Level
identified by the part number in the DESCRIPTIO/V AND USABLE
MF - Made at DS/AVUM
ON CODE (UOC) column and listed in the bulk materiel group of
Level
the repair parts list in this RPSTL. If the item is authorized to you by
the 3rd position code of the SMR code, but the source code
MH - Made at GS Level
indicates it is made at a higher level, order the item from the higher
MD - Made at Depot
level of maintenance.
AO - Assembled by
ORG/AVUM Level
Items with these codes are not to be requested/requisitioned
individually. The parts that make up the assembled item must be
AF - Assembled by DS/
requisitioned or fabricated and assembled at the level of
AVUM Level
maintenance indicted by the source code. If the 3rd position code
AH - Assembled by GS
of the SMR code authorizes you to replace the item, but the source
Level
code indicates that the item is assembled at a higher level, order
AD - Assembled at De-
the item from the higher level of maintenance.
pot
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."
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.
F-2