AD - Item to be assembled at depot maintenance level.
XA - Item is not procured or stocked because the requirements for the item will result in the
replacement of the next higher assembly.
XB - Item is not procured or stocked. If not available through salvage, requisition.
XC--Installation drawing, diagram instruction sheet, field service drawing, that is identified by manufacturers'
Cannibalization or salvage may be used as a source of supply for any
items source coded above except those coded XA and aircraft sup-
port items as restricted by A R 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 posi-
tions of the Uniform SMR Code Format as follows:
(a) Use (third position). The maintenance code entered in the third position indicates the lowest
maintenance level authorized to remove, replace, and use the support item. The maintenance code
entered in the third position indicates one of the following levels of maintenance.
O-- Support item is removed, replaced, used at the organizational level of maintenance.
A code "C" may be used in this position to denote crew or operator
maintenance performed within or ganizational maintenance.
F-- Support item is removed, replaced, used at the direct support maintenance level.
H-- Support item is removed, replaced, used at the general support maintenance.
D-- Support items that are removed: replaced, used at depot only.
(b) Repair (fourth position). 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., all authorized maintenance functions). When a maintenance code is not used a
dash (-) sign is entered. For multi service equipment /systems or when a code is entered, this position will
contain one of the following maintenance codes as assigned by the service(s) that require the code-
0-- The lowest maintenance level capable of complete repair of the support item is the or ganizational level.
F-- The lowest maintenance level capable of complete repair of the support item is direct support.
H-- The lowest maintenance level capable of complete repair of the support item is general support.
D-- The lowest maintenance level capable of complete repair of the support item is the depot level.
L-- Repair restricted to designated Specialized Repair Activity,.
Z -- Non-repairable. No repair is authorized.
B-- No repair is authorized. The item may be reconditioned by adjusting, lubricating, etc , at the user level.
No parts or special tools are procured for the maintenance of this item.
(3) Recoverability code. Recoverability codes are assigned to support items to indicate the
disposition action on unserviceable items. The recoverability code is entered in the fifth
position of the uniform SMR Code Format as follows--
Z -- Nonrepairable item. When unserviceable, condemn and dispose at the level indicated in
the first digit of the maintenance code.
O-- Repairable item. When uneconomically repairable, condemn and dispose at organizational level.
F -- Repairable item. When uneconomically repairable, condemn and dispose at the direct support level.
H-- Repairable item. When uneconomically repairable, condemn and dispose at the general support level.
D-- Repairable item. When beyond lower level repair capability, return to depot. Condemnation and disposal
not authorized below depot level.
L -- Repairable item. Repair, condemnation, and disposal not authorized below depot/Specialized Repair
A-- Item requires special handling or condemnation procedures because of specific reasons
(i.e., precious metal content, high dollar value, critical material or hazardous material).
b. Federal Stock Number. Indicates the Federal stock number assigned to the item and will be used
for requisitioning purposes.
c. Description. Indicates the Federal item name and a minimum description required to identify the
item. The last line indicates the reference number