b. Source. Maintenance, and Recoverability Codes (SMR). (Column 2).
(1) Source codes.
GENERAL: Source Codes are assigned to support items to indicate the manner of acquiring support items for
maintenance, repair, or overhaul of end items. Source codes are entered in the first and second positions of the
Uniform SMR Code format as follows:
Item procured and stocked for anticipated or known usage.
Item procured and stocked for insurance purposes because essentially
dictates that a minimum quantity be available in the supply systems.
Item procured and stocked and which otherwise would be coded PA
except that it is deteriorative in nature.
Support item, excluding support equipment, procured for initial issue or
outfitting and stocked only for subsequent or additional initial issues or
outfitting. Not subject to automatic replenishment.
Support equipment procured and stocked for initial issue or outfitting to
specified maintenance repair activities.
Support equipment which will not be stocked but which will be centrally
procured on demand.
Item procured and stocked to provide for sustained support for the life
of the equipment. It is applied to an item peculiar to the equipment which
because of probable discontinuance or shutdown of production facilities
would prove uneconomical to reproduce at a later time.
An item of depot overhaul/repair kit and not purchased separately. Depot
kit defined as a kit that provides items required at the time of overhaul or
An item of maintenance kit and not purchased separate-
ly. Maintenance kit defined as a kit that provides an
item that can be replaced at unit, direct support or
general support levels of maintenance.
Item included in both a depot overhaul/repair kit and a maintenance kit.
Item to be manufactured or fabricated at unit level.