TM 10-1670-293-23&P
0040 00
0040 00-2
SOURCE CODE
EXPLANATION
PA
PB
PC
PD
PE
PF
PG
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 3rd position of the SMR code.
KD
KF
KF
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.
MO – (Made at org/AVUM Level)
MF – (Made at DS/AVUM Level)
MH – (Made at GS Level)
ML – (Made at Specialized Repair Act (SRA))
MD – (Made at Depot)
Items with these codes are not to be
requested/requisitioned individually. They must be
made from bulk material which is identified by the
part number in the DESCRIPTION and USABLE ON
CODE (UOC) column and listed in the Bulk Material
group of the repair parts list in 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 org/AVUM Level)
AF – (Assembled by DS/AVIM Level)
AH – (Assembled by GS Category)
AL – (Assembled by SRA)
AD – (Assembled by Depot)
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 indicated by the source code. If the 3rd
position code of the SMR code authorizes you to
replace the item, but the source code indicates the
item is assembled at a higher level, order the item
from the higher level of maintenance.
XA -
Do not requisition an XA-coded item. Order its next
higher assembly. (Also, refer to the NOTE below.)
XB -
If and XB-coded item is not available from salvage,
order it using the FSCM and the given part number.
XC -
The installation drawing, diagram, instruction sheet,
and field service drawing that is identified by
manufacturer’s part number.
XD -
Item is not stocked. Order an XD-coded item
through normal supply channels using the Federal
Supply Code for Manufacturer (FSCM) and the
part number given, if no NSN is available.
