ARMY TM 5-6115-633-14&P
Definition
Code
Item to be manufactured or fabricated at depot maintenance level.
MD
Item to be assembled at unit level.
AO
AF
Item to be assembled at intermediate maintenance levels.
Air Force Intermediate (*)
Army Direct Support (*)
Item to be assembled at intermediate maintenance levels.
AH
Air Force Intermediate (*)
Army General Support (*)
AD
Item to be assembled at depot maintenance level.
I t e m is not procured or stocked because the requirements for the
XA
item will result in the replacement of the next higher assembly.
XB
Item is not procured or stocked. If not available through salvage,
requisition.
Installation
drawings,
diagram,
instruction
sheet,
field
service
xc
drawing, that is identified by manufacturer's part number.
A support item that is not stocked. When required, item will be
XD
procured through normal supply channels.
(*)NOTE
For USAF and the USA Safeguard Program, only Code "F" will be used to
denote intermediate maintenance. On joint programs, use of either code F or
H by the jointing service will denote intermediate maintenance to USAF and
USA Safeguard Program.
(2) Uniform Maintenance Codes applicable to all Military Services: G E N E R A L : M a i n t e n a n c e
C o d e s 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.
Application/Explanation
Code
Support item is removed, replaced, used at the unit level of
o
maintenance.
D-3