TM 9-6115-664-13&P
(b)
The maintenance code entered in the fourth position tells whether or not the item is to be repaired
and identifies the lowest maintenance category with the capability to do complete repair (i.e., perform all authorized repair
functions). This position will contain one of the following maintenance codes.
NOTE
Some limited repair may be done on the item at a lower category of maintenance, if
authorized by the Maintenance Allocation Chart (MAC) and SMR codes.
Code
Explanation
O -
Unit or aviation unit is the lowest category that can do complete repair of the item.
F -
Direct support or avi ation intermediate is the lowest category that can do complete repair of the
item.
H -
General support is the lowest category that can do complete repair of the item.
L -
Specialized repair activity (designate the specialized repair activity) is the lowest category that
can do complete repair of the item.
D -
Depot is the lowest category that can do complete repair of the item.
Z -
Nonrepairable. No repair is authorized.
B -
No repair is authorized. (No parts or special tools are assigned for the maintenance of a "B"
coded item.) However, the item may be reconditioned by adjusting, lubricating, etc., at the user
category.
(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:
Code
Explanation
Z -
Nonrepairable item. When unserviceable, condemn and dispose of the item at the category of
maintenance shown in the third position of SMR code.
O -
Repairable item. When uneconomically repairable, condemn and dispose of the item at unit or
aviation unit category.
F -
Repairable item. When uneconomically repairable, condemn and dispose of the item at direct
support or aviation intermediate category.
H -
Repairable item. When uneconomically repairable, condemn and dispose of the item at general
support category.
D -
Repairable item. When beyond lower category repair capability, return to depot. Condemnation
and disposal of item not authorized below depot category.
L -
Repairable item. Condemnation and disposal not authorized below specialized repair activity
(SRA).
A -
Item requires special handling or condemnation procedures because of specific reasons (e.g.,
precious metal content, high dollar value, critical material, or hazardous material. Refer to
appropriate manuals/directives for specific instructions.
c.
NSN (Column (3)). Indicates the national stock number assigned to the manufacturer's part number. The
national stock number consists of 13 digits.
G-4
