TM 10-4320-318-24P
(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 follows:
Code
Explanation
PA
Stocked items, use the applicable NSN to request/
PB
requisition items with these source codes They are
PC**
authorized to the category indicated by the code
PD
entered in the 3d position of the SMR code.
PE
PF
**NOTE Items coded PC are subject to deterioration.
PG
KD
Items with these codes are not to be requested/
KF
requisitioned Individually. They are part of a kit
KB
which is authorized to the maintenance category
indicated In the 3d position of the SMR code. The
complete kit must be requisitioned and applied.
Explanation
MO-(Made at unit/
Items with these codes are not to be requested/
AVUM Level)
requisitioned individually They must be made from
MF-(Made at DS
bulk material which Is Identified by the part number
AVUM Level)
in the DESCRIPTION and USABLE ON CODE (UOC)
MH-(Made at GS
column and listed In the Bulk Material group of the
Level)
repair parts I1st In the RPSTL If the Item is authorized
ML-(Made at Spe-
to you by the 3d position code of the SMR code, but
cialized Repair
the source code Indicates It is made at a higher
Activity (SRA))
level, order the item from the higher level of
MD-(Made at Depot)
maintenance.
Explanation
AO-(Assembled by
Items with these codes are not to be requested/
unit/AVUM Level)
requisitioned individually. The parts that make up
AF-(Assembled by
the assembled item must be requisitioned or fabricated
DS/AVIM Level)
and assembled at the level of maintenance indicated
AH-(Assembled by
by the source code. If the 3d position code of the
GS Category)
SMR code authorizes you to replace the item, but the
AL-(Assembled by
source code Indicates the items are assembled at a
SRA)
higher level, order the item from the higher level of
AD-(Assembled by
maintenance.
Depot)
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