TM 11-5855-239-23
Code
stall and insure proper operation after installa-
Explanation
tion of a replacement item (i.e., pre-installation
can be replaced at organizational or di-
inspection, testing and post-installation check-
rect support or general support levels of
out) are provided. The maintenance code entered
maintenance.
in the third position will indicate one of the
KB--Item included in both a depot overhaul/
following levels of maintenance.
repair kit and a maintenance kit.
MO--Item to be manufactured or fabricated at
Code
Application/explanation
organizational level.
O--Support item is removed, replaced, used at
MF--Item to be manufactured or fabricated at
the organizational level of maintenance,
direct support maintenance level.
Note (2) : A code "C" may be used in this posi-
MH--Item to be manufactured or fabricated at
tion to denote crew or operator mainten-
general support maintenance level.
ance performed within organizational
MD--Item to be manufactured or fabricated at
maintenance.
depot maintenance level.
F--Support item is removed, replaced, used at
AO--Item to be assembled at organizational level,
the direct support maintenance level.
AF--Item to be assembled at direct support
H--Support item is removed, replaced, used at
maintenance level.
the general support maintenance.
AH--Item to be assembled at general support
maintenance level.
D--Support items that are removed, replaced,
AD--Item to be assembled at depot maintenance
used at depot only.
level.
REPAIR (FOURTH POSITION): The mainten-
XA--Item is not procured or stocked because the
ance code entered in the fourth position indicates
requirements for the item will result in
whether the item is to be repaired and identifies
the replacement of the next higher as-
the lowest maintenanee level with the capability
sembly.
to pm-form complete repair (i.e., all authorized
XB--Item is not procured or stocked. If not
maintenance functions). The decision to code the
available through salvage/requisition.
support item for repair at the indicated main-
XC--Installation drawing, diagram instruction
tenance levels requires that all maintenance cap-
sheet, field service drawing, that is iden-
ability (remove, replace, repair, assemble, and
tified by manufacturer's part number.
test) for the support items be provided to that
--Support items listed in this RPSTLTM as-
level. This does not preclude some repair which
signed maintenance and recoverability
may be accomplished at a lower level of main-
codes and no source codes can he requisi-
tenance. However, because of service differences
in communicating maintenance repair level in-
NOTE
formation a maintenance code entry in this posi-
tion is not required by all services. When a main-
Cannibalization or salvage may be used
tenance code is not used a dash (--) sign will
as a source of supply for any items
be entered. For multi-service equipment/systems
source coded above except those coded
or when a code is enterea, this position will
XA and aircraft support items as re-
contain one of the following maintenance codes
stricted by AR 700-42.
as assigned by the service(s) that require the
(2) Maintenance code. Maintenance codes
code:
are assigned to indicate the levels of mainten-
Code
Application/explanation
ance authorized to USE and REPAIR support
items. The maintenance codes ar entered in the
O--The lowest maintenance level capable of com-
third and fourth positions of the Uniform SMR
plete repair of the support item is the or-
Code Format as follows:
ganizational level.
F--The lowest maintenance level capable of com-
USE (THIRD POSITION): The maintenance
plete repair of the support item is direct
code entered in the third position will indicate
support.
the lowest maintenance level authorized to re-
H--The lowest maintenance level capable of com-
move, replace, and use the support item. The de-
plete repair of the support item is general
cision to code the item for removal and replace-
support.
ment at the indicated maintenance level will re-
quire that all the capabilities necessary to in-
D--The lowest maintenance level capable of com-
C-2