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TM 9-4520-271-24P
EXPLANATION OF COLUMNS IN THE REPAIR PARTS LIST AND SPECIAL TOOLS LIST WORK PACKAGES -
Continued
Source Code. The source code tells you how you get an item needed for maintenance, repair, or overhaul of an end item/
equipment. Explanations of source codes follows:
Source Code
Application/Explanation
PA
Stock items; use the applicable NSN
PB
to requisition/request items with these
PC
source codes. They are authorized to
PD
the level indicated by the code entered
PE
in the 3rd position of the SMR code.
PF
NOTE
PG
Items coded PC are subject to deterio-
ration.
Items with these codes are not to be
KD
requested/requisitioned individually.
KF
They are part of a kit which is authorized
KD
to the maintenance level indicated in the 3rd
position of the SMR code. The complete kit
must be requisitioned and applied.
MO-Made at unit/
Items with these codes are not to be re-
AVUM level
quisitioned/requested individually.
MF-Made at DS/
They must be made from bulk material
AVIM level
which is identified by the P/N in the
MH-Made at GS
DESCRIPTION AND USABLE ON
level
CODE (UOC) column and listed in
ML-Made at SRA
the bulk material group work package of
MD-Made at depot
the RPSTL. If the item is authorized to
you by the 3rd position code 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.
AO-Assembled by
Items with these codes are not to be re-
unit/AVUM level
quested/requisitioned individually. The
AF-Assembled by
parts that make up the assembled item
DS/AVIM level
must be requisitioned or fabricated and
AH-Assembled by
assembled at the level of maintenance
GS level
indicated by the source code. If the
AL-Assembled by
3rd position of the SMR code authorizes
SRA
you to replace the item, but the source
AD-Assembled by
code indicates the item is assembled at
depot
a higher level, order the item from the
higher level of maintenance.
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