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TM 10-3930-630-24P
Code
Application/Explanation
PA
Stocked items; use the applicable NSN to
PB
request/requisition items with these
PC**
source codes. They are authorized to the
PD
category 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
KF
kit which is authorized to the maintenance
KB
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
AVUM Level)
made from bulk material which
MH -(Made at GS
Is identified by the part number in
Level)
the DESCRIPTION AND USABLE
ML -(Made at Spec -ON CODE (UOC) column and
cialized Repair listed In the Bulk Material group of
Activity
the repair parts list in this RPSTL. If
(SRA))
item is authorized to you by the
MD -(Made at
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
AO -(Assembled by to be requested/requisitioned
UMI AVUM
individually. The parts that
Level)
make up the assembled item
AF -(Assembled by must be requisitioned or
DSIAVIM
fabricated and assembled at
Level)
the level of maintenance
AH -(Assembled by indicted by the source code. If
GS Category)
the 3d position code of the SMR
code authorizes you to
AL -(Assembled by replace the item, but the SRA)
source code indicates the item
AD -(Assembled by is 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 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.
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