TM 5-4310-387-24P
*Complete Repair: Maintenance capacity, capability, and authority to perform all corrective maintenance tasks of the
"Repair" function in a use/user environment in order to restore serviceability to a failed item.
(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:
Source Code
Explanation
PA
Stocked items; use the applicable NSN to request/requisition items with these
PB
source codes. They are authorized to the category indicated by the code
PC**
entered in the 3rd position of the SMR code.
PD
PE
**NOTE: Items coded PC are subject to deterioration.
PF
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 the
KB
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
MF -
(Made at DS/AVUM
is identified by the part number in the DESCRIPTION and
Level)
USABLE ON CODE (UOC) column and listed in the Bulk
MH -
(Made at GS Level)
Material group of the repair parts list in this RPSTL. If the
ML -
(Made at Specialized
item is authorized to you by the 3rd position code of the SMR
Repair Activity (SRA))
code, but the source code indicates it is made at a higher
MD -
(Made at Depot)
level, order the item from the higher level of maintenance.
AO -
(Assembled by Unit/AVUM
Items with these codes are not to be requested/
Level)
requisitioned individually. The parts that make up
AF -
(Assembled by DS/AVIM
the assembled item must be requisitioned or
Level)
fabricated and assembled at the level of
AH -
(Assembled by GS
maintenance indicated by the source code. If the
Category)
3rd position code of the SMR code authorizes you
AL -
(Assembled by SRA)
to replace the item, but the source code indicates
AD -
(Assembled by Depot)
the items are assembled at a higher level, order the
item from the higher level of maintenance.
XA -
Do not requisition "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 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.
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