MD
AO
AF
AH
AD
XA
XB
XC
XD
TM 5-6115-271-24P
T.O. 35C2-3-386-4
SL-4-05926A
Item to be manufactured or fabricated at depot maintenance level.
Item to be assembled at organizational level.
Item to be assembled at intermediate maintenance levels.
Air Force - Intermediate (*)
Army - Direct Support (*)
Marine Corps - 3rd Echelon
Item to be assembled at intermediate maintenance levels.
Air Force - Intermediate (*)
Army - General Support (*)
Marine Corps - 4th Echelon
Item to be assembled at depot maintenance levels.
Item is not procured or stocked because the requirements for the item will result in the replace-
ment of the next higher assembly.
Item is not procured or stocked. If not available through salvage, requisition.
Installation drawings, diagram, instruction sheet, field service drawing, that is identified by manu-
facturer part number.
A support item that is not stocked. When required, item will be 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 joining service will denote intermediate maintenance USAF and
the USA Safeguard program.
(2) Uniform Maintenance Codes applicable to all Military Services:
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 of maintenance level authorized to remove, replace, and use the support item. The Mainte-
nance Code entered in the third position indicates one of the following levels of maintenance.
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