TB-9-3950-253-13-P
PALLETIZED LOAD SYSTEM TRUCK, M1075 and M1075A1 (PLS) AND HEAVY EXPANDED MOBILITY TACTICAL TRUCK, M1120, M1120A2, AND M1120A4 (HEMTT), ENHANCED CONTAINER HANDLING UNIT (E-CHU)
TECHNICAL BULLETIN; OPERATOR AND FIELD MAINTENANCE, INSTALLATION INSTRUCTIONS, AND REPAIR PARTS AND SPECIAL TOOLS LIST
JULY 2009
TB-9-3950-253-13-P - Page 582 of 704
TB 9-3950-253-13&P
0053-2
0053
EXPLANATION OF COLUMNS IN THE REPAIR PARTS LISTS – CONTINUED
a.
Source Code.
The source code tells you how to get an item needed for maintenance, repair, or overhaul
of an end item/equipment. Explanations of source codes follow:
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 750-1.
Code
Application/Explanation
PA
PB
PC
PD
PE
PF
PG
Stocked items; use the applicable NSN to request/requisition items with
these source codes. They are authorized to the maintenance category indi-
cated by the code entered in the third position of the SMR code.
Items coded PC are subject to deterioration.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
KD
KF
KB
Items with these codes are not to be requested/requisitioned individually.
They are part of a kit which is authorized to the maintenance level indicated
in the third position of the SMR code. The complete kit must be requisi-
tioned and applied.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
MO - Made at Unit/
AVUM level
MF - Made at DS/AVIM Level
MH - Made at GS Level
ML - Made at SRA
MD - Made at Depot
Items with these codes are not to be requested/requisitioned individually.
They must be made from bulk materiel which is identified by the part num-
ber in the DESCRIPTION AND USABLE ON CODE (UOC) column and
listed in the bulk materiel group work package of the RPSTL. If the item is
authorized to you by the third position 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.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
AO-Assembled by Unit/
AVUM level
AF-Assembled by DS/
AVIM level
AH-Assembled by
GS level
AL-Assembled by SRA
AD-Assembled by Depot
Items with these codes are not to be requested/requisitioned individually.
The parts that make up the assembled item must be requisitioned or fabri-
cated and assembled at the level of maintenance indicated by the source
code. If the third position of the SMR code authorizes you to replace the
item, but the source code indicates the item is assembled at a higher level,
order the item from the higher level of maintenance.
XA
XB
XC
XD
Do not requisition an “XA” coded item. Order the next higher assembly
(refer to NOTE below).
If an item is not available from salvage, order it using the CAGEC and P/N.
Installation drawings, diagrams, instruction sheets, field service drawings;
identified by manufacturer’s P/N.
Item is not stocked. Order an XD-coded item through normal supply chan-
nels using the CAGEC and P/N given, if no NSN is available.
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