TM 5-3655-214-13&P
Section 1. INTRODUCTION - Continued
AF
Item to be assembled at the direct support maintenance level.
AH
Item to be assembled at general support 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.
XC
Installation drawing, diagram, instruction sheet, field service drawing, that is
identified by manufacturer's part number.
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.
(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:
Code
Definition
C
Crew or operator maintenance performed within organizational maintenance.
O
Support item is removed, replaced, used at the organizational level.
F
Support item is removed, replaced, used at the direct support level.
H
Support item is removed, replaced, used at the general support level.
D
Support items that are removed, replaced, used at depot, mobile depot, or specialized repair
activity only.
C-4