TM10-4320-316-24P
Code
Explanation
MO - (Made at UNIT/AVUM
Items with these codes are not to be
Level)
requested/requisitioned individually. They
MF - (Made at DS/AVUM
must be made from bulk material which is
Level)
identified by the part number in the
MH - (Made at GS Level)
DESCRIPTION and USABLE ON CODE
ML - (Made at Specialized
(UOC) column and listed on the Bulk Material
Repair Activity (SRA))
group of the repair parts list in this RPSTL. If
MD - (Made at Depot)
the item is authorized to you by the 3rd
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.
Code
Explanation
Items with these codes are not to be
AO - (Assembled by
requested/requisitioned individually. The parts
UNIT/AVUM Level)
that make up the assembled item must be
AF - (Assembled by
requisitioned or fabricated and assembled ate
DS/AVUM Level)
the level of maintenance indicated by the
AH - (Assembled by GS
source code. If the 3rd position of the SMR
Level)
code authorizes you to replace the item, but the
AL - (Assembled by SRA)
source code indicates the items are assembled
AD - (Assembled by Depot)
at a higher level, order the item from the
higher level of maintenance.
Code
Explanation
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 CAGEC 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 CAGEC 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.
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