TM-9-2320-272-34P-1
TRUCK, 5-TON, 6X6, M939 AND M939A1 SERIES TRUCKS (DIESEL)
TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE; REPAIR PARTS AND SPECIAL TOOLS LIST (INCLUDING DEPOT MAINTENANCE REPAIR PARTS); VOLUME 1 OF 2
MAY 1988
TM-9-2320-272-34P-1 - Page 17 of 1116
TM 9-2320-272-34P-1
(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:
Explanation
MO-
MF-
MH-
ML-
MD-
AO-
AF-
AH-
AL-
AD-
XA -
XB -
XC
-
XD -
Code
PA
PB
PC**
PD
PE
PF
PG
KD
KF
KB
(Made at Org Level)
(Made at DS Level)
(Made at GS Level)
(Made at Specialized
Repair Act (SRA))
(Made at Depot)
(Assembled by Org Level)
(Assembled by DS Level)
(Assembled by GS Level)
(Assembled by SRA)
(Assembled by Depot)
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 3d 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 3d position of the SMR code.
The complete kit must be requisitioned and applied.
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 3d
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
requisitioned or fabricated and assembled at the level of maintenance
indicated by the source code. If the 3d 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.
Do not requisition an "XA"-coded item. Order its next higher assembly. (Also, refer to the NOTE below).
If an "XB" item is not available from salvage, order it using the FSCM and part number given.
Installation drawing, diagram, instruction sheet, field service drawing, that is identified by manufac-
turer’s part number.
Item is not stocked. Order an "XD"-coded item through normal supply channels using the FSCM and
part number given, if no NSN is available.
NOT E
Cannibalization or controlled exchange, when authorized, maybe
used as a source of supply for items with the above source codes,
except for those source coded "XA".
(2) Maintenance Code.
Maintenance codes tell vou the level(s) of maintenance authorized to USE and
REPAIR support items. The maintenance codes are entered in the third and fourth positions of the SMR code
as follows:
(a)
The maintenance code entered in the third position tells you the lowest maintenance level
authorized to remove, replace, and use an item. The maintenance code entered in the third position will
indicate authorization to one of the following levels of maintenance:
Code
C
O
F
H
L
D
Application/Explanation
Crew or operator maintenance done within organizational maintenance.
Organizational level can remove, replace, and use the item.
Direct support level can remove, replace, and use the item.
General support level can remove, replace, and use the item.
Specialized repair activity can remove, replace, and use the item.
Depot level can remove, replace, and use the item.
2
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