Source, Maintenance, and Recoverability (SMR) Codes.

TM 11-5895-1038-24P/TO 31R2-2TSC-134

(1) Source code. Source codes 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:

Code

Definition

PA -- Item procured and stocked for anticipated or known usage.

PB -- Item procured and stocked for insurance purpose because essentiality

dictates that a minimum quantity be available in the supply

system.

PD -- Support item, excluding support equipment, procured for initial

issue or outfitting and stocked only for subsequent or additional

initial issues or outfittings.

Not subject to automatic re-

plenishment.

MD -- Item to be manufactured or fabricated at the depot maintenance

level.

AD -- Item to be assembled at depot maintenance level.

XA -- Item is not procured or stocked because the requirements for the

item will result in the replacement of the next higher assembly.

XB -- Item is not procured or stocked.

If not available through salvage,

requisition.

XD -- A support item that is not stocked. When required, item will be

procured through normal supply channels.

NOTE

Cannibalization or salvage may be used as a source

of supply for any items source coded above except

those coded XA and aircraft support items as re-

stricted by AR 700-42.

(2) Maintenance code.

Maintenance codes are assigned to indicate

the levels of maintenance authorized to USE and REPAIR support items.

The maintenance codes are entered in the third and fourth positions of

the Uniform SMR Code format as follows:

(a) The maintenance code entered in the third position will

indicatethe lowest maintenance level authorized to remove, replace, and

use the support item. The maintenance code entered in the third position

will indicate one of the following levels of maintenance: