TM 5-3810-289-24P
Code
Application/Explanation
PA
Stocked items; use the applicable NSN to
PB
request/requisition items with these source
PC**
codes. They are authorized to the category
PD
indicated by the code entered in the 3d
PE
position of the SMR code.
PF
PG
** Items coded PC are subject to
deterioration.
Items with these codes are not to be
requested/requisitioned individually. They
KD
are part of a kit which is authorized to the
KF
maintenance category indicated in the 3d
KB
position of the SMR code. The complete kit
must be requisitioned and applied.
MO-(Made at UM/
Items with these codes are not
AVUM Level)
to be requested/requisitioned
MF-(Made at DS/
individually. They must be
AVUM Level)
made from bulk material which
MH-(Made at GS
is identified by the part number
Level)
in the DESCRIPTION AND
ML-(Made at Spe-
USABLE ON CODE (UOC)
cialized Repair
column and listed in the Bulk
Activity (SRA))
Material group of the repair
MD-(Made at
parts list in this RPSTL. If
Depot)
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
AO-(Assembled by
individually. The parts that
UM/AVUM
make up the assembled item
Level)
must be requisitioned or
AF-(Assembled by
fabricated and assembled at
DS/AVIM
the level of maintenance
Level)
indicted by the source code. If
AH-(Assembled by
the 3d position code of the
GS Category)
SMR code authorizes you to
AL-(Assembled by
replace the item, but the source
SRA)
code indicates the item is
AD-(Assembled by
assembled at a higher level,
Depot)
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 following.)
XB -
If an “XB” item is not available from
salvage, order it using the FSCM or CAGE
and part number given.
XC -
Installation drawing, diagram, instruction
sheet, field service drawing, that is
identified by the manufacturer’s part
number.
XD -
Item is not stocked. Order an “XD”-coded
item through normal supply channels using
the FSCM or CAGE and part number given,
if no NSN is available.
NOTE: Cannibalization or controlled exchange,
when authorized, may be used as a source of
supply for items with the above source codes,
except for those source coded "XA" or those
aircraft support items restricted by requirements of
AR 700-42.
(2)
Maintenance
Code.
Maintenance
codes tell you 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
Application/Explanation
C-
Crew or operator maintenance done within unit
maintenance or aviation unit maintenance.
O-
Unit maintenance or aviation unit category can
remove, replace, and use the item.
F-
Direct support or aviation intermediate level can
remove, replace, and use the item
H-
General support level can remove, replace, and
use the item.
L-
Specialized repair activity can remove, replace,
and use the item.
D-
Depot level can remove, replace, and use the
item.
(b)
The maintenance code entered
in the fourth position tells whether or not the item is to
be repaired and identifies the lowest maintenance level
with the capability to do complete repair (i.e., perform all
authorized repair functions). (NOTE: Some limited
repair may be done on the item at a lower level of
maintenance, if authorized by the Maintenance
Allocation Chart (MAC) and SMR codes.) This position
will contain one of the following maintenance codes:
Code
Application/Explanation
O-
Unit maintenance or aviation unit is the lowest
level that can do complete repair of the item.
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