TM 9-6115-646-14&P
Code
Definition
MF
Item to be manufactured or fabricated at general support maintenance levels.
MD
Item to be manufactured or fabricated at depot maintenance level.
AO
Item to be assembled at unit level.
AF
Item to be assembled at direct support maintenance levels.
AH
Item to be assembled at general support maintenance levels.
AD
Item to be assembled at depot maintenance level.
XA
Item is not procured or stocked because the requirements for the item will
result in the replacement of the next higher assembly.
XB
Item is not procured or stocked. If not available through salvage, requisition.
XC
Installation drawing, diagram, instruction sheet, field service drawing, that is
identified by manufacturer’s part number.
XD
A support item that is not stocked When required, item will be procured through
normal supply channels.
(2)
Maintenance codes: GENERAL Maintenance Codes are assigned to indicate the levels of maintenance
authorized to USE and REPAIR support items The Maintenance Codes are in the third and fourth position of the Uniform
SMR Code Format.
(a)
Use (third position). The Maintenance Code entered in the third position indicates the lowest level
maintenance level authorized to remove, replace, and use the support item The Maintenance Code entered in the third
position indicates one of the following levels of maintenance.
Code
Application/Explanation
O
Support item is removed, replaced, used at the unit level of maintenance.
F
Support item is removed, replaced, used at direct support levels.
H
Support item is removed, replaced, used general support levels.
Code
Definition
D
Support items that are removed, replaced, used at depot only Depot, Mobile
Depot and Specialized Repair Activity
D-3
