Source Codes The source code tells personnel how to acquire items needed for maintenance, repair, or
overhaul of an end item/equipment. Source codes are entered In the first and second positions of the uniform
SMR Code format as follows:
Application/Explanation (1st and 2nd Positions)
Item procured and stocked for anticipated or known usage.
Item procured and stocked for insurance purpose; essential that a minimum quantity be available in the
Item procured and stocked, which would otherwise be coded PA, but is deteriorative in nature.
Support item procured for Initial issue or outfitting; excludes support equipment and Is stocked only for
subsequent or additional initial Issues or out-fittings. Not subject to automatic replenishment.
Support equipment procured and stocked for Initial issue or outfitting at specified maintenance repair
Support equipment which will not be stocked, but which will be centrally procured on demand.
Item procured and stocked to provide sustained support for the life of the equipment. It is applied to an
item peculiar to the equipment, which will probably be discontinued or out of production, and would prove
uneconomical to reproduce at a later time
An item in a depot overhaul repair kit and not purchased separately.
An item in a maintenance kit and not purchased separately. Maintenance kits items can be replaced at
organizational or intermediate levels of maintenance
Item included in both depot overhaul repair kit and maintenance kit.
Item to be manufactured or fabricated at organizational level.
Item to be manufactured or fabricated at the direct support maintenance level.
Item to be manufactured or fabricated at the general support maintenance level.
Item to be manufactured or fabricated at the depot maintenance level.
Item to be assembled at organizational level.
Item to be assembled at direct support maintenance level.
Item to be assembled at general support maintenance level.
Item to be assembled at depot maintenance level.
Item is not procured or stocked; requirements for the item results in replacement of the next higher
Item is not procured or stocked; it is not available through salvage or requisition.
Installation drawing, diagram, instruction sheet, field service drawing, identified by manufacturers part
A support item that Is not stocked. When required, item will be procured through normal supply
Cannibalization or controlled exchange, when authorized, may be used as a source of supply
for items with the above source codes, except for those coded XA or aircraft support items
restricted by AR 750-1.