Item to be manufactured or fabricated at the depot maintenance level.
Item to be assembled at the organizational level.
Item to be assembled at the direct support maintenance level.
Item to be assembled at the general support maintenance level.
Item to be assembled at the depot maintenance level.
Item is not procured or stocked because the requirements for the item will result in the
replacement of the next higher assembly.
Item is not procured or stocked. If not available through salvage, requisition.
Installation drawing, diagram, instruction sheet, or field service drawing that is identified by
manufacturer's part number.
A support item that is not stocked. When required, item will be procured through normal
Cannibalization or salvage may be used as a source of supply for any items coded
above except those coded XA and aircraft support items as restricted by AR 700-
(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 indicate the 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: