TM 9-6115-604-24P
NAVFAC P-8-633-24P
the joining service will denote intermediate maintenance of
MF
Item to be manufactured or fabricated at inter-
mediate maintenance levels.
USAF and USA Safeguard Program.
Air Force - Intermediate (*)
(2) Uniform Maintenance Codes applicable to all
Army - General Support (*)
Military Services:
Marine Corps - 4th Echelon
Navy - Ashore
GENERAL: Maintenance Codes are assigned to indicate
the levels of maintenance authorized to USE and RE-
MG
Item to be manufactured or fabricated at both
PAIR support items. The Maintenance Codes are in the
afloat and ashore intermediate maintenance
third and fourth position of the Uniform SMR Code For-
levels - Navy use only.
mat.
(a) USE (THIRD POSITION): The Maintenance
MD
Item to be manufactured or fabricated at de-
Code entered in the third position indicates the lowest
pot maintenance level.
maintenance level authorized to remove, replace, and use
the support item. The Maintenance Code entered in the
AO
Item to be assembled at organizational level.
third position indicates one of the following levels of
maintenance.
AF
Item to be assembled at intermediate mainte-
nance levels
Air Force - Intermediate (*)
CODE
APPLICATION/EXPLANATION
Army - Direct Support (*)
O
Support item is removed, replaced, used at
Marine Corps - 3rd Echelon
the organizational level of maintenance.
Navy - Afloat
F
Support item is removed, replaced, used at
the following intermediate levels:
AH
Item to be assembled at intermediate mainte-
USAF- Intermediate (*)
nance levels
USA- Direct Support (*)
Air Force - Intermediate (*)
USN - Afloat
Army - General Support (*)
USMC - Third Echelon
Marine Corps - 4th Echelon
Navy - Ashore
G
Support item is removed, replaced, used at
both afloat and ashore intermediate levels:
AG
Item to be assembled at both afloat and
Navy only.
ashore intermediate maintenance levels --
Navy use only.
H
Support item is removed, replaced, used at
the following intermediate levels:
AD
Item to be assembled at depot maintenance
USAF - Intermediate (*)
levels.
USA - General Support (*)
USN - Ashore (only)
XA
Item is not procured or stocked because the
USMC - Fourth Echelon
requirements for the item will result in the re-
placement of the next higher assembly.
D
Support items that are removed, replaced,
used at Depot only:
XB
Item is not procured or stocked. If not avail-
USAF - Depot, Mobile Depot, and Specialized
able through salvage, requisition.
Repair Activity.
USA- Depot, Mobile Depot, and Specialized
XC
Installation drawing, diagram, instruction
Repair Activity.
sheet, field service drawing, that is identified
USN - Aviation Rework, Avionics and Ordi-
by manufacturer's part number.
nance Facilities, and Shipyards.
XD
A support item that is not stocked. When re-
USMC- Depot.
quired, item will be procured through normal
(b) REPAIR (FOURTH POSITION):
supply channels.
The maintenance code entered in the fourth position
indicates whether the item is to be repaired and identifies
the lowest maintenance level with the capability to per-
(*) NOTE: For USAF and USA Safeguard Program, only
form complete repair (i.e., all authorized maintenance
Code "F" will be used to denote intermediate mainten-
functions).
ance. On joint programs. use of either code F or H by
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