TM-9-2350-311-24P-1
HOWITZER, MEDIUM, SELF-PROPELLED, 155MM; M109A2, M109A3, M109A4 AND M109A5
TECHNICAL MANUAL; UNIT, DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE REPAIR PARTS AND SPECIAL TOOLS LIST
SEPTEMBER 1994
TM-9-2350-311-24P-1 - Page 12 of 637
TM 9-2350-311-24P-1
* Complete Repair: Maintenance capacity, capability, and authority to perform all corrective maintenance tasks of
the “Repair” function in a us/user environment in order to restore serviceability to a failed item.
(1) Souce 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:
Explanation
PA
PB
PC**
PD
PE
PF
PG
KD
KF
KB
MO - (Made at
Unit/AVUM level)
MF - (Made at DS/
AVIM level)
MH - (Made at GS
level)
MD - (Made at Depot
level)
AO - (Assembled at
Unit/ AVUM level)
AF - (Assembled at
DS/AVIM level)
AH - (Assembled at
GS level)
AD - (Assembled at
Depot)
Stocked items; use the applicable NSN to request/requisition items with these source
codes. They are authorized to the category indicated by the code entered in the 3rd
position of the SMR code.
**NOTE:
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 3rd
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 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 in this RPSTL. If the item is authorized to you by the 3rd 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 indicated by the source code. If the 3rd position code of the
SMR code authorizes you to replace the item, but the source code indicates the item is
assembled at a higher level, order the item from the higher level of maintenance.
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