AH-Assembled by
below depot
sustainment level
AL-Assembled by
SRA
AD-Assembled by
depot
AG-Navy only
XA
Do not requisition an "XA" coded item. Order the next higher assembly. (Refer to
NOTE below.)
XB
If an item is not available from salvage, order it using the CAGEC and P/N.
XC
Installation drawings, diagrams, instruction sheets, field service drawings; identified by
manufacturer's part number.
XD
Item is not stocked. Order an XD-coded item through local purchase or normal supply
channels using the CAGEC and P/N given, if no NSN is available.
NOTE
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" or those
aircraft support items restricted by requirements of AR 750-1.
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 class
authorized to remove, replace, and use an item. The maintenance code entered in the third position will indicate
authorization to the following classes of maintenance:
Maintenance Code
Application/Explanation
F -
Maintainer maintenance can remove, replace, and use the item.
H -
Below Depot Sustainment maintenance can remove, replace, and use the item.
L -
Specialized repair activity can remove, replace, and use the item.
G -
Afloat and ashore intermediate maintenance can remove, replace, and use the item
(Navy only).
K -
Contractor facility can remove, replace, and use the item.
Z -
Item is not authorized to be removed, replace, or used at any maintenance level.
D -
Depot can remove, replace, and use the item.
TM 9-2330-202-13&P
0081
0081-3