TM 5-3815-225-13&P
N-3. EXPLANATION OF COLUMNS (SECTIONS II AND III) (Con’t).
(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 follow:
Code
Application/Explanation
Stocked items; use the applicable NSN to request/requisition
items with these source. They are authorized to the category
indicated by the code entered in the 3d
position of the SMR code.
** Items coded PC are subject to deterioration.
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 3d position of the SMR
code. The complete kit must be requisitioned and applied.
Items with these codes are not to be requested/requisitioned individually. They must be
made from bulk materiel which Is Identified by the part number in the DESCRIPTION AND
USABLE ON CODE (UOC) column and listed in the bulk materiel group of the repair parts.
If the item Is authorized to you by the 3d position code of the SMR code, but the source
code indicates it is made at a higher level, order the item from the higher level 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 level of
maintenance. Indicted by the source code. If the 3d position
code of the SMR code authorizes you to replace the item, but
the source code indicates that the item is assembled at a higher
level, order the item from the higher level of maintenance.
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."
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 CAGE and part number given.
Change 1
N-2
PA
PB
PC**
PD
PE
PF
PG
KD
KF
KB
MO - Made at UM/AVUM
Level
MF - Made at DS/AVUM
Level
MH - Made at GS Level
MD - Made at Depot
AO - Assembled by UM/
AVUM Level
AF - Assembled by DS/
AVUM Level
AH - Assembled by GS
Level
AD - Assembled at De
pot
