1st two positions:
3rd position: Who can 4th position: Who can
5th position: Who
How to get an item.
Install, replace, or use complete repair* on
action on unserviceable Items.
*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.
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 coded PC are subject to deteroration.
Items with these codes are not to be
They are part of a kit which is authorized
to the maintenance level indicated in the
3rd position of the SMR code. The comp-
lete kit must be requisitioned and applied.
MO-Made at unit/
Items with these codes are not to be re-
quisitioned/requested individually. They
MF-Made at DS/
must be made from bulk material which
is identified by the P/N in the DESCRIPTION
MH-Made at GS
AND USABLE ON CODE (UOC) column
and listed in the bulk material group
ML-Made at SRA
work package of the RPSTL. If the item
is authorized to you by the 3rd position code
MD-Made at depot
of the SMR code, but the source code
indicates it is made at higher level, order
the item from higher level of maintenance.