Items with these codes are not to be requested/requisitioned
individually. The parts that make up the assembled item must be
r e q u i s i t i o n e d or fabricated and assembled at the level of maintenance
i n d i c a t e d by the source code. If the 3rd position code of the SMR
code authorizes you to replace the item, but the source code indicates
the item is assembled at a higher level, order the item from the higher
l e v e l of maintenance.
X A - Do not requisition an "XA'`-coded item. Order its next higher assembly. (Also, refer to the
X B - If an "XB" item is not available from salvage, order it using the FSCM and part number
X D - Item is not stocked. Order an "XD"-coded item through normal supply channels using the
FSCM and part number given, if no NSN is available.
N O T E : Cannibalization or controlled exchange, when authorized, may be used as a source of supply
f o r items with the above source codes, except for those source coded "XA".
Maintenance Code. Maintenance codes tell you the level(s) of maintenance
a u t h o r i z e d to USE and REPAIR support items. The maintenance codes are entered in the third and
fourth positions of the SMR Code as follows:
T h e maintenance code entered in the third position tells you the lowest maintenance
l e v e l authorized to remove, replace, and use an item. The maintenance code entered in the third
p o s i t i o n will indicate authorization to one of the following levels of maintenance.
- C r e w or operator maintenance done within organizational maintenance.
-Organizational level can remove, replace, and use the item.
-Direct support level can remove, replace, and use the item.
-General support level can remove, replace, and use the item.
-Depot level can remove, replace, and use the item.
T h e maintenance code entered in the fourth position tells whether or not the item is
t o 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
c o d e s . ) This position will contain one of the following maintenance codes.