TM 5-3810-307-24P
Explanation
Code
Items with these codes are not to be
MO- (Made at org/
requested/requisitioned individually. They
AVUM Level)
must be made from bulk material which is
MF- (Made at DS/
identified by the part number in the
AVIM Level)
DESCRIPTION AND USABLE ON CODE (UOC)
MH- (Made at GS
column and listed in the Bulk Material
Level)
group of the repair parts list in this
ML- (Made at Spe-
RPSTL. If the item is authorized to you
by the 3rd position code of the SMR code,
cialized Repair
but the source code indicates it is made
Activity (SRA)
at a higher level, order the item from
MD- (Made at Depot)
the higher level of maintenance.
Explanation
Code
Items with these codes are not to be
requested/requisitioned individually. The
AO- (Assembled by org/
parts that make up the assembled item must
AVUM Level)
be requisitioned or fabricated and
AF- (Assembled by
assembled at the level of maintenance
DS/AVIM Level)
indicated by the source code. If the 3rd
AH- (Assembled by
position code of the SMR code authorizes
GS Category)
you to replace the item, but the source
AL- (Assembled by
code indicates the item is assembled at a
SRA)
higher level, order the item from the
AD-(Assembled by
higher level of maintenance.
Depot)
XA -
Do not requisition an "XA"-coded item. Order its next higher assembly. (Also, refer to the
NOTE below.)
XB -
If an "XB" item is not available from salvage, order it using the FSCM and part number
given.
XC -
Installation drawing, diagram, instruction sheet, field service drawing that is identified by
manufacturer's part number. Do not requisition.
XD -
Item is not stocked. Order an "XD"-coded item through normal supply channels using the
CAGE and part number 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
source coded "XA" or those aircraft support items restricted by requirements
of AR 700-42.
(2)
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 3rd and 4th positions
of the SMR Code as follows:
3
