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TM 10-3930-242-24P
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
** Items coded PC are subject to
PG
deterioration.
Items with these codes are not to be
KD
requested/requisitioned individually. They
KF
are part of a kit which is authorized to the
KB
maintenance category indicated in the 3d
position of the SMR code. The complete kit
must be requisitioned and applied.
MO-(Made at UM/
Items with these codes are not to
AVUM Level)
be requested/requisitioned
MF-(Made at DS/
individually. They must be made
AVUM Level)
from bulk material which is
MH-(Made at GS/
identified by the part number in
Level)
the DESCRIPTION and USABLE
ML-(Made Spe-
ON CODE (UOC) column and
cialized Repair
listed in the Bulk Material group
Activity (SRA))
of the repair parts list in this
MD-(Made at
RPSTL. If the item is authorized
Depot)
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
The parts that make up the
UM/AVUM
assembled item must be
Level)
requisitioned or fabricated and
AF-(Assembled by
assembled at the level of
DS/AVUM
indicated by the source code.
Level)
If the 3rd position code
AH-(Assembled by
of the SMR code, authorizes you
GS Category)
to replace the item, but the
AL-(Assembled by
source code indicates the items
SRA)
are assembled at a higher level,
AD-(Assembled by
order the item from the higher
Depot)
level of maintenance.
XA -
Do not requisition an "XA"-coded item. Order
its next higher assembly. (Also, refer to the
NOTE below.)
XB -
If an "XB" item is not available from salvage,
order it using the CAGE Code and part number
given.
XC -
Installation drawing, diagram, instruction sheet,
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
CAGE Code 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 mainte-
nance.
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, re-
place, 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 low-
est level that can do complete repair of the
item.
F -
Direct support or aviation intermediate is the
lowest level than can do complete repair of
the item.
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