TM 9-4931-374-13&P
Code
Definition
Code
Definition
MF ..............................................Item to be manufactured or fabricated at the
XC...............................................Installation drawing, diagram, instruction
direct support maintenance level.
sheet, field service drawing, that is identified
by manufacturer's part number.
MH ..............................................Item to be manufactured or fabricated at the
general support maintenance level.
XD...............................................A support item that is not stocked When
required, item will be procured through
MD ..............................................Item to be manufactured or fabricated at the
normal supply channels.
depot maintenance level.
NOTE
AO ..............................................Item to be assembled at organizational level.
Cannibalization or salvage may be used as a source of
supply for any items coded above except those coded
AF ...............................................Item to be assembled at direct support
XA and aircraft support items as restricted by AR 700-42.
maintenance level.
(2) Maintenance Code Maintenance codes are assigned to
AH...............................................Item to be assembled at general support
indicate the levels of maintenance authorized to USE and REPAIR support
maintenance level.
itemsThe maintenance codes are entered in the third and fourth positions of
the Uniform SMR Code format as follows:
AD...............................................Item to be assembled at depot maintenance
level.
(a) The maintenance code entered in the third position will
indicate the lowest maintenance level authorized to remove, replace, and use
XA...............................................Item is not procured or stocked because the
the support item The maintenance code entered in the third position will
requirements for the item will result in the
indicate one of the following levels of maintenance:
replacement of the next higher assembly.
Code
Application/Explanation
XB...............................................Item is not procured or stocked
If
not
available through salvage, requisition.
C .................................................Crew or operator maintenance performed
within organizational maintenance.
C-3
