TM 10-4610-232-24P
(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:
Source Code
Explanation
PA
PB
PC**
PD
PE
PF
PG
KD
KF
KB
MO-
(Made at Unit/AVUM
Level)
MF-
(Made at DS/AVUM
Level)
MH-
(Made at GS Level)
ML-
(Made at Specialized
Repair Activity (SRA))
MD-
(Made at Depot)
AO-
(Assembled by
Unit/AVUM Level)
AF-
(Assembled by
DS/AVIM Level)
AH-
(Assembled by GS
Category)
AL-
(Assembled by SRA)
AD-
(Assembled by Depot)
XA-
Do not requisition “XA”-coded item. Order its next higher assembly. (Refer to the NOTE below.)
XB-
If an “XB” item is not available from salvage, order it using the CAGEC and part number given.
XC-
Installation drawing, diagram, instruction sheet, field service drawing, that is identified manufacturer’s
part number.
XD-
Item is not stocked. Order an “XD”-coded item through normal supply channels using the CAGEC and
part number given, if no NSN is available.
2
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.
**NOTE: Items coded PC are subject to deterioration.
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.
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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 this 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.
Items with these codes are not to be requested/requisitioned
individually. The parts that make up the assembled item must be
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 items are assembled at a higher level, order the item
from the higher level of maintenance.
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