TM 5-4310-349-14
(2) Maintenance Code. Maintenance codes
Code
Definition
KF
An item of a maintenance kit and not purchased
are assigned to indicate the levels of maintenance
separately. Maintenance kit defined as a kit that
authorized to USE and REPAIR support items. The
provides an item that can be replaced at
maintenance codes are entered in the third and fourth
organizational or intermediate levels of
positions of the Uniform SMR Code format as follows:
maintenance.
(a) The maintenance code entered in
the third position will indicate the lowest maintenance
KB
Item included in both a depot overhaul/repair kit
level authorized to remove, replace, and use the support
and a maintenance kit.
item. The maintenance code entered in the third
position will indicate one of the following levels of
MO
Item to be manufactured or fabricated at the
maintenance:
organizational level.
Code
Definition
C
Crew or operator maintenance performed within
MF
Item to be manufactured or fabricated at the
organizational maintenance.
direct support maintenance level.
O
Support item is removed, replaced, used at the
organizational level.
MH
Item to be manufactured or fabricated at the
F
Support item is removed, replaced, used at the
general support maintenance level.
direct support level.
H
Support item is removed, replaced, used at the
MD
Item to be manufactured or fabricated at the
general support level.
depot maintenance level.
D
Support items that are removed, replaced, used
at depot, mobile depot, or specialized repair
AO
Item to be assembled at organizational level.
activity only.
(b) The maintenance code entered in
AF
Item to be assembled at the direct support
the fourth position indicates whether the item is to be
maintenance level.
repaired and identifies the lowest maintenance level
with the capability to perform complete repair (i.e., all
AH
Item to be assembled at general support
authorized maintenance functions). This position will
maintenance level.
contain one of the following maintenance codes:
Code
Application/Explanation
AD
Item to be assembled at depot maintenance
level.
O
The lowest maintenance level capable of
complete repair of the support item is the
XA
Item is not procured or stocked because the
organizational level.
requirements for the item will result in the
replacement of the next higher assembly.
F
The lowest maintenance level capable of
complete repair of the support item is the direct
XB
Item is not procured or stocked. If not available
support level.
through salvage, requisition.
H
The lowest maintenance level capable of
XC
Installation drawing, diagram, instruction sheet,
complete repair of the support item is the
field service drawing, that is identified by
general support level.
manufacturer's part number.
D
The lowest maintenance level capable of
XD
A support item that is not stocked. When
complete repair of the support item is the depot
required, item will be procured through normal
level.
supply channels.
L
Repair restricted to designated Specialized
NOTE
Repair Activity.
Cannibalization or salvage may be used as a
Z
Nonreparable. No repair is authorized.
source of supply for any items source coded
above except those coded XA and aircraft
B
No repair is authorized. The item may be
support items as restricted by AR 700-42.
reconditioned by adjusting, lubricating, etc., at
the user level. No parts or special tools are
procured for the maintenance of this item.
Change 2 C-2
