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TM 11-5820-890-30P-1
2
(1) Source Code. The source code tells you how to get an item needed for maintenance, repair, or overhaul
of an end item/equipment. Explanations of source codes follows:
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.
Code
Explanation
PA
PB
PC
PD
PE
PF
PG
Stocked items; use the applicable NSN to request/requisition items
with these source codes. They are authorized to the category
indicated by the source code entered in the third position of the SMR
code.
NOTE
Items coded PC are subject to deterioration.
KD
KF
KB
Items with these codes are not to be requested/requisitioned
individually. They are part of a kit which is authorized to the
maintenance category indicated in the third position of the SMR code.
The complete kit must be requisitioned and applied.
XA — Do not requisition an “XA” coded item. Order its next higher assembly.
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 manufacturers
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.
Items with these codes are not to be requested/requisitioned
individually. They must be made from bulk material which is identified
by the part number in the description and usable on code (UOC)
column and listed in the Bulk Material group of the repair parts list. If
the item is authorized to you by the third position code of the SMR
code, but the source code indicates it is made at a higher category,
order the item from the higher category of maintenance.
Items with these codes are not to be requested/requisitioned
individually. The parts that make up the assembled item must be
requisitioned or fabricated and assembled at the category of
maintenance indicated by the source code. If the disposition code of
the SMR code authorizes you to replace the item, but the source code
indicates the item is assembled at a higher category, order the item
from the higher category of maintenance.
MO — Made at org/
AVUM category
MF — Made at DS/
AVIM category
MH — Made at GS
category
ML — Made at Spec-
ialized Repair
Activity (SRA)
MD — Made at Depot
AO — Assembled by org/
AVUM category
AF — Assembled by DS/
AVIM category
AH — Assembled by GS
category
AL — Assembled by SRA
AD — Assembled by Depot
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