TM 10-8340-205-13&P
(1) Source Code. The source code tells you how you get an item needed for maintenance,
repair, or overhaul of an end item/equipment. Explanations of source codes follow.
Source Code
Explanation
PA
PB
Stocked items; use the applicable NSN to request/requisition items with these
PC**
source codes. They are authorized to the category indicated by the code
PD
entered in the 3rd position of the SMR code.
PE
PF
**NOTE : Items coded PC are subject to deterioration.
PG
KD
Items with these codes are not to be requested/requisitioned individually. They
KF
are part of a kit which is authorized to the maintenance category indicated in
KB
the 3rd position of the SMR code. The complete kit must be requisitioned and
applied.
MO- (Made at UNIT/AVUM
Items with these codes are not to be requested/requisitioned
level)
individually. They must be made from bulk material which is
MF- (Made at DS/AVUM
identified by the part number in the DESCRIPTION and USABLE
level)
ON CODE (UOC) column and listed in the Bulk Material group of the
MH- (Made at GS level)
repair parts list in the RPSTL. If the item is authorized to you by the
ML- (Made at Specialized
3rd position code of the SMR code, but the source code indicates it
Repair Activity (SRA))
is made at a higher level, order the item from the higher level of
MD- (Made at Depot)
maintenance.
AO- (Assembled by Unit/
Items with these codes are not to be requested/requisitioned
AVUM Level)
individually. The parts that make up the assembled item must be
AF- (Assembled by
requisitioned or fabricated and assembled at the level of
DS/AVUM code
maintenance indicated by the source code. If the 3rd position
Level)
of the SMR code, authorizes you to replace the item, but the
AH- (Assembled by GS
source code indicates the items are assembled at a higher level,
Category)
order the item from the higher level of maintenance.
AL- (Assembled by SRA)
AD- (Assembled by Depot)
XA - Do not requisition an "XA"-coded item. Order its next higher assembly. (Refer to the NOTE below.)
XB - If an "XB" item is not available from salvage, order it using the CAGEC and part number given.
XC - Installation drawing, diagram, instruction sheet, field service drawing, that is identified by manufacturer's
part number.
XD - Item is not stocked. Order an "XD"-coded item through normal supply channels using the CAGEC 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 750-1.
}
}
C-2
}
}
