TM 5-2420-231-24P
0001
EXPLANATION OF COLUMNS IN THE REPAIR PARTS LIST AND SPECIAL TOOLS LIST WORK PACKAGES
CONTINUED
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:
SOURCE CODE
APPLICATION/EXPLANATION
NOTE
PA
PB
Items coded PC are subject to deterioration.
PC
PD
PE
Stock items; use the applicable NSN to requisition/request items with these
PF
source codes. They are authorized to the level indicated by the code
PG
entered in the third position of the SMR code.
PH
PR
PZ
Items with these codes are not to be requested/requisitioned individually.
KD
KF
They are part of a kit which is authorized to the maintenance level indicated
KB
in the third position of the SMR code. The complete kit must be
requisitioned and applied.
Items with these codes are not to be requisitioned/requested individually.
MO - Made at unit/AVUM level
MF - Made at Field
They must be made from bulk material which is identified by the part
MH - Made at Below Depot/
number in the DESCRIPTION AND USABLE ON CODE (UOC) column and
Sustainment Level
listed in the bulk material group work package of the RPSTL. If the item is
ML - Made at SRA
authorized to you by the third position code of the SMR code, but the source
MD - Made at Depot
code indicates it is made at higher level, order the item from the higher level
MG - Navy Only
of maintenance.
Items with these codes are not to be requested/requisitioned individually.
AO - Assembled by unit/AVUM
level
The parts that make up the assembled item must be requisitioned or
AF - Assembled by Field
fabricated and assembled at the level of maintenance indicated by the
AH - Assembled by Below
source code. If the third position of the SMR code authorizes you to replace
Depot Sustainment Level
the item, but the source code indicates the item is assembled at a higher
AL - Assembled by SRA
level, order the item from the higher level of maintenance.
AD - Assembled by Depot
AG - Navy Only
XA
Do not requisition an "XA" coded item. Order the next higher assembly.
(Refer to NOTE on the following page.)
XB
If an item is not available from salvage, order it using the CAGEC and part
number.
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 part number given, if no
NSN is available.
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