TM 9-2920-257-30&P
NOTE
Cannibalization or salvage may be used as a source of supply
for any items coded above except those coded XA and aircraft
support items as restricted by AR 700-42.
(2) Maintenance code.
Maintenance codes are assigned to indicate
the levels of maintenance authorized to USE and REPAIR support items.
The maintenance codes are entered in the third and fourth positions of
the Uniform SMR code fomat as follows:
(a) The maintenance code entered in the third position will
indicate the lowest maintenance level authorized to remove, replace, and
use the support item.
The maintenance code entered in the third position
will indicate one of the following levels of maintenance:
Code
Application/Explanation
C
O
F
H
D
- Crew or operator maintenance performed within organizational
maintenance.
- Support item is removed,
replaced, used at the organizational
level .
- Support item is removed,
replaced, used at the direct support
level .
- Support item is removed,
replaced, used at the general support
level .
- Support items that are removed,
replaced, used at depot, mobile
depot, or specialized repair activity only .
(b) 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 perform complete repair (i.e., al l
authorized maintenance functions).
This position will contain one of the
following maintenance codes:
C- 4