3. EXPLANATION OF COLUMNS IN THE REPAIR PARTS LIST AND SPECIAL TOOLS LIST WORK
PACKAGE - Continued
Items with these codes are not to be
The parts that make up the assembled
item must be requisitioned or fabricated
and assembled at the level of
maintenance indicated by the source
code. If the 3rd position 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 level of
Do not requisition an "XA" coded item.
Order the next higher assembly (refer to
If an item is not available from salvage,
order it using the CAGE Code and P/N.
Installation drawings, diagrams,
instruction sheets, field services
drawings; identified by manufacturer's
Item is not stocked. Order an XD-coded
item through normal supply channels
using the CAGE Code and P/N given, if
no NSN is available.
Cannibalization or controlled exchange, when authorized, may be used as a
source of supply for items with the above source codes except for those items
source coded "XA".
d. Maintenance Code. Maintenance codes tell you the level(s) of maintenance authorized to use
and repair support items. The maintenance codes are entered in the third and fourth positions of
the SMR code as follows:
THIRD POSITION. The maintenance code entered in the third position tells you the
lowest maintenance level authorized to remove, replace, and use an item. The
maintenance code entered in the third position will indicate authorization to the following
levels of maintenance: