TM 55-4920-433-13&P
b. Column 2, SMR CODE. Column 2, the the Source, Maintenance, and Recoverability (SMR) code is a 5-position
code containing supply/requisitioning information, maintenance category authorization criteria, and disposition
instructions, as shown in the following breakout:
Source
Maintenance
Recoverability
Code
Code
Code
1st
5th position
XX
two positions
XX
X
How you get an item
3d position
4th position
Who determines
disposition action on
Who can install,
Who can do
an unserviceable
replace or use
complete repair*
item
the item
on the item
*Complete Repair: Maintenance capacity, capability, and authority to perform all the 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 you get an item needed for maintenance, repair, or overhaul
of an end item/equipment. Source codes are always the first two positions of the SMR code. Explanations of source
codes follow:
Code
Explanation
PA
PB
PC
Stocked items; use the applicable NSN to request/requisition items
PD
with these source codes. They are authorized to the category indi-
PE
cated by the code entered in the 3d position of the SMR code.
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 org/
AVUM Category)
Items with these codes are not to be requested/requistioned
individually. They must be made from bulk materiel which is
MF - (Made at DS/
identified by NSN in the Description column and listed in the Bulk
AVIM Category)
Materiel group in the repair parts list in this manual.If the item is
MH - (Made at GS
authorized to you by the 3d position code of the SMR code, but the
Category)
source code indicates it is made at a higher category, order the item
MD - (Made at
from the higher category of maintenance.
Depot)
C-2