TM 55-1930-209-14&P-18
(b)
The maintenance code entered in the fourth position tells whether or not the item is to be
repaired and identifies the lowest maintenance level with the capability to do complete repair (i.e., 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.) This position will contain one of the following maintenance
codes.
Code
Application/Explanation
O
Organizational or aviator unit is the lowest level that can do
complete repair of the item.
F
Direct support or aviation intermediate is the lowest level
that can do complete repair of the item.
H
General support is the lowest level that can do complete
repair on the item.
Z
Nonrepairable. No repair is authorized.
B
No repair is authorized. (No parts or special tools are
authorized for the maintenance of a "B" coded item). How-
ever, the item may be reconditioned by adjusting, lubricat-
ing, etc., at the user level.
3.
Recoverability Code. Recoverability codes are assigned to items to indicate the disposition action on
unserviceable items. The recoverability code is entered in the fifth position of the SMR code as follows:
Recoverability
Code
Application/Explanation
Z
Nonrepairable item. When unserviceable, condemn and
dispose of the item at the level of maintenance shown in
third position of SMR code.
F
Repairable item. When uneconomically repairable, con-
demn and dispose of the item at the direct support or
aviation intermediate level.
H
Repairable item. When uneconomically repairable, con-
demn and dispose of the item at the general support level.
D
Repairable item. When beyond lower level repair capability,
return to depot. Condemnation and disposal of item not
authorized below depot level.
c. National Stock Number. Indicates the national stock number assigned to the item and which will be used for
requisitioning.
D-3
