TM 10-8340-243-13&P
0018
NOTE
Cannibalization or controlled exchange, when
authorized, may be used as a source of
supply for items with the above source codes
except for those items source coded "XA" or
those aircraft support items restricted by
requirements of AR 750-1.
Maintenance Code. Maintenance codes tell you the level(s) of maintenance authorized to use and repair
support items. The maintenance codes are entered in the third and fourth positions of the SMR code as
follows:
Third Position. The maintenance code entered in the third position tells you the lowest maintenance level
authorized to remove, replace, and use an item. The maintenance code entered in the third position will
indicate authorization to the following levels of maintenance:
Maintenance
Code______
Application/Explanation
O* -
Unit level/AVUM maintenance can remove, replace, and use the item.
F-
Direct support/AVIM maintenance can remove, replace, and use the item.
H-
General support maintenance can remove, replace, and use the item.
L-
Specialized repair activity can remove, replace, and use the item.
G-
Afloat and ashore intermediate maintenance can remove, replace, and use the
item (Navy only).
K-
Contractor facility can remove, replace, and use the item.
Z-
Item is not authorized to be removed, replace, or used at any maintenance level.
D-
Depot can remove, replace, and use the item.
*NOTE - Army may use C in the third position. However, for joint service publications, Army will use O.
Fourth Position. The maintenance code entered in the fourth position tells you whether or not the item is
to be repaired and identifies the lowest maintenance level with the capability to do complete repair
(perform all authorized repair functions).
NOTE
Some limited repair may be done on the item
at a lower level of maintenance, if authorized
by the Maintenance Allocation Chart (MAC)
and SMR codes.
Maintenance
Code______
Application/Explanation
O-
Unit/AVUM is the lowest level that can do complete repair of the item.
F-
Direct support/AVIM is the lowest level that can do complete repair of the
item.
H-
General support is the lowest level that can do complete repair of the item.
L-
Specialized repair activity (enter specialized repair activity designator) is the
lowest level that can do complete repair of the item.
D-
Depot is the lowest level that can do complete repair of the item.
G-
Both afloat and ashore intermediate levels are capable of complete repair of
item. (Navy only)
K-
Complete repair is done at contractor facility.
Z-
Nonreparable. No repair is authorized.
B-
No repair is authorized. No parts or special tools are authorized for
maintenance of "B" coded item. However, the item may be reconditioned by
adjusting, lubricating, etc., at the user level.
0018-3
