A support item that is not stocked. When required, item will be
procured through normal supply channels.
Cannibalization or salvage may be used as a source of supply for any items source coded above
except those coded XA, XD, and aircraft support items as restricted 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 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:
Crew or operator maintenance performed within organizational
Support item is removed, replaced, used at the organizational level.
Support item is removed, replaced, used by the direct support
element of integrated direct support maintenance.
Support item is removed, replaced, used at the direct support level.
Support item is removed, replaced, used at the general support
Support items that are removed, replaced, used at depot, mobile
depot, specialized repair activity only.
Codes "I" and "F" will be considered the same by direct support units.