Code
AO-(Assembled
by org/
AVUM Level)
AF-(Assembled
by DS/AVIM
Level)
AH- (Assembled
by GS
Level)
AL-( Assembled
by SRA)
AD-( Assembled
by Depot)
TM 3-4230-218-12&P
Explanation
Items with these codes are not to be requested/ requisitioned
individually.
The parts that make up the assembled item
must be requisitioned or fabricated and assembled at the
level of maintenance indicated by the source code. If the
3d position code of the SMR code authorizes you to replace
the item, but the source code indicates the items are
assembled 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 FSCM 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 FSCM and part number given, if not 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 tells you the level(s) of mainte-
nance 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 mainte-
nance.
Code
Application/Explanation
C
-Crew or operator maintenance done within organizational
or aviation unit maintenance.
O
-Organizational or aviation unit category can remove,
replace, and use the item.
F-3
