TM-5-3805-254-20P
TRUCK, DUMP, 20 TON, 6X4, ON-OFF HIGHWAY 71,000 GVW
TECHNICAL MANUAL; UNIT MAINTENANCE REPAIR PARTS AND SPECIAL TOOLS LISTS
APRIL 1992
TM-5-3805-254-20P - Page 9 of 352
TM 5-3805-254-20P
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
PE
position of the SMR code.
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
KB
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 ON
CODE (UOC)
column and listed in the Bulk
ML-(Made at Spe
-
Material group of the repair
cialized Repair
parts list in this RPSTL.
If the
Activity (SRA))
item is authorized you by the 3d
MD-(Made at
to
position code of the SMR code,
Depot)
but the source code indicates it is
made at a higher level, order the
item from the higher level of
maintenance.
AO-(Assembled by
Items with these codes are not to
UM/AVUM
be requested/requisitioned
Level)
individually.
The parts that make
AF-(Assembled by
up the assembled item must be
DS/AVIM
requisitioned or fabricated and
Level)
assembled at the level of
AH- (Assembled by
maintenance indicted by the
GS Category)
source code.
If the 3d position
code of the SMR code
AL-(Assembled by
authorizes you to replace the
SRA)
item, but the source code
AD-(Assembled by
indicates the item is assembled
Depot)
at a higher level, 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.
2
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