TM 5-4310-377-23P
Source
Maintenance
Recoverability
Code
Code
Code
XX
1st two
XX
X
positions
How you get an item.
3d position
4th position
Who determines
disposition action
on an unserviceable
Who can install,
Who can do
item.
replace or use
complete repair*
the item.
on the item.
*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:
Code
Explanation
PA
Stocked items; use the applicable NSN to request/requisition items
PB
with these source codes. They are authorized to the category
PC**
indicated by the code entered in the 3d position of the SMR code.
PD
PE
**NOTE: Items coded PC are subject to deterioration.
PF
PG
Items with these codes are not to be requested/requisitioned
KD
individually. They are part of a kit which is authorized to the
KF
maintenance category indicated in the 3d position of the SMR code.
KB
The complete kit must be requisitioned and applied.
MO - (Made at unit
Maintenance
Explanation
Level)
MF - (Made at Interm e-
Items with these codes are not to be requested/requisitioned
diate (DS) Level)
individually. They must be made from bulk material which is identified
MH - (Made at Interme-
by the part number in the DESCRIPTION and USABLE ON CODE
diate (GS) Level)
(UOC) column and listed in the Bulk Material group of the repair parts
ML - (Made at Spe-
list in the RPSTL. If the item is authorized to you by the 3d position
cialized Repair
code of the SMR code, but the source code indicates it is made at a
Activity (SRA))
higher level, order the item from the higher level of maintenance.
MD - (Made at Depot)
AO - (Assembled by Unit
Explanation
Maintenance Level)
AF - (Assembled by Inter-
Items with these codes are not to be requested/requisitioned
mediate (DS) Level)
individually. The parts that make up the assembled item must be
AH - (Assembled by Inter-
requisitioned or fabricated and assembled at the level of maintenance
mediate (GS) Level)
indicated by the source code. If the 3d position code of the SMR code
AL - (Assembled by
authorizes you to replace the item, but the source code indicates the
SRA)
items are assembled at a higher level, order the item from the higher
AD - (Assembled by
level of maintenance.
Depot)
2
