TM 9-6115-653-14&P
Code
Definition
MF
Item to be manufactured or fabricated at general support maintenance
levels
MD
Item to be manufactured or fabricated at depot maintenance level
AO
Item to be assembled at unit level
AF
Item to be assembled at direct support maintenance levels
AH
Item to be assembled at general support maintenance levels
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
(2) Maintenance codes: GENERAL Maintenance Codes are assigned to indicate the levels of
maintenance authorized to USE and REPAIR support items The Maintenance Codes are in the third
and fourth position of the Uniform SMR Code Format
(a) Use (third position) The Maintenance Code entered in the third position indicates the
lowest level maintenance level authorized to remove, replace, and use the support Item The
Maintenance Code entered in the third position indicates one of the following levels of maintenance
Code
Application/Explanation
O
Support item is removed, replaced, used at the unit level of maintenance
F
Support item is removed, replaced, used at direct support level
H
Support item is removed, replaced, used general support level
Code
Definition
D
Support items that are removed, replaced, used at depot only Depot,
Mobile Depot and
Specialized Repair Activity
(b) Repair (fourth position): The maintenance code entered in the fourth position indicates
whether the item is to be repaired and identifies the lowest maintenance level with the capability to
perform complete repair (i.e., all authorized maintenance functions)
D-3
