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TM 10-6630-240-12&P
TM 01461B-12&P/1
Code
Explanation
AO
-
(Assembled by
Items with these codes are not to be requested/requisitioned
org/AVUM Level)
individually. They must be make up the assembled item must be
AF
-
(Assembled by
requisitioned or fabricated and assembled at the level of maintenance
DS/AVUM Level)
indicated by the source code. If the 3d position code of the SMR code
authorized you to replace the item, but the source code indicates the
AH
-
(Assembled by GS
item are assembled at higher level, order the item from the higher
Category)
level of maintenance.
AL
-
(Assembled by
SRA)
AD
-
(Assembled by
Depot)
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 750-1.
(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 third position will indicate
authorization to one of the following levels of maintenance.
Code
Application/Explanation
C
-
Crew or operator maintenance done within organizational or aviation unit maintenance.
O
-
Unit 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 tell you 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.
Change 1 C-3
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