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TM 5-2420-222-20P
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
position of the SMR code
PE
PF
** Items coded PC are subject to
PG
deterioration.
Items with these codes are not to be re-
KD
quisitioned individually. They are part of a kit
KF
which is authorized to the maintenance
category indicated in the 3d position of the
SMR code. The complete kit must be
requisitioned and applied.
MO-(Made at UMI
Items with these codes are not
AVUM Level)
to 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
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.
Depot)
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
AO-(Assembled by
individually. The parts that make
UMI AVUM
up the assembled item must be
Level)
requisitioned or fabricated and
AF-(Assembled by
assembled at the level of
DS/AVIM
maintenance indicted by the
Level)
source code. If the 3d position
code of the SMR code
AH-(Assembled by
authorizes you to replace the
GS Category)
item, but the source code
AL-(Assembled by
indicates the Item is assembled
SRA)
at a higher level, order the item
AD-(Assembled by
from the higher level of
Depot)
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 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 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.
F -
Direct support or aviation intermediate is the
lowest level than can do complete repair of the
item.
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