1st two positions:
How to get an item.
Who can install,
Who can do
replace or use the item.
disposition action on
on the item.
Source Code. The source code tells you how you get an item needed for maintenance, repair or overhaul of an end item/
Equipment. Explanations of source codes follow:
Stock items: use the applicable NSN to
requisition/request items with these source codes. They
are authorized to the level indicated by the code entered
in the 3rd position of the SMR code.
Items with these codes are not to be requested/requisitioned
individually. They are part of a kit which is authorized to
the maintenance level 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 requisitioned/requested
individually. They must be made from bulk material which
MO Made at unit/AVUM level
is identified by the part number in the DESCRIPTION AND
MF Made at DS/AVIM level
USABLE ON CODE (UOC) column and listed in the bulk
MH Made at GS level
material group work package of the RPSTL. If the item is
authorized to you by the 3rd position code of the SMR code,
ML Made at SRA
MD Made at Depot
but the source code indicates it is made at higher level, order
MG Navy only
the items from the higher level of maintenance.
*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.