(2) Item Number. The number used to identify each item called out in the illustration.
b. Source, Maintenance, and Recoverability Codes (SMR).
(1) Source Code. 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 purpose because
essentiality dictates that a minimum quantity be available in the
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 issues or
outfittings. 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