TM 9-2330-235-14&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:
Code
Application/Explanation
PA
PB
Stocked items; use the applicable NSN to request/requisition items
PC**
with these source codes. They are authorized to the category
PD
indicated by the code entered in the 3d position of the SMR code.
PE
PF
PG
KD
Items with these codes are not to be requested/requisitioned
KF
individually. They are part of a kit which is authorized to the
KB
maintenance category indicated in the 3d 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 UM/AVUM
individually. They must be made from bulk materiel which is identified
Level
by the part number in the DESCRIPTION AND USABLE ON CODE
MF - Made at DS/AVUM
(UOC) column and listed in the bulk materiel group of the repair parts
Level
list in this RPSTL. If the item is authorized to you by the 3d position
MH - Made at GS Level
code of the SMR code, but the source code indicates it is made at a
MD - Made at Depot
higher level, order the item from the higher level of maintenance.
AO - Assembled by UMI
AVUM Level
Items with these codes are not to be requested/requisitioned
AF- Assembled by DSI
individually. The parts that make up the assembled item must be
AVUM Level
requisitioned or fabricated and assembled at the level of maintenance
AH - Assembled by GS
indicted by the source code. If the 3d position code of the SMR code
Level
authorizes you to replace the item, but the source code indicates that
AD - Assembled at De-
the item is assembled at a higher level, order the item from the higher
pot
level of maintenance.
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