TM  10-8110-201-14&P Code KD KF KB MO MF MH MD AO AF AH AD XA XB XD Definition An  item  of  a  depot  overhaul/repair  kit and  not  purchased  separately.  Depot  kit defined as a kit that provides items re- quired  at  the  time  of  overhaul  or  repair. An item of a maintenance kit and not purchased  separately.  Maintenance  kit defined as a kit that provides an item that can be replaced at organizational or intermediate  levels  of  maintenance. Item  included  in  both  a  depot  over- haul/repair  kit  and  a  maintenance  kit. Item to be manufactured or fabricated at organizational  level. Item to be manufactured or fabricated at the  direct  support  maintenance  level. Item to be manufactured or fabricated at the  general  support  maintenance  level. Item to be manufactured or fabricated at the  depot  maintenance  level. Item to be assembled at organizational level. Item to be assembled at direct support maintenance   level. Item to be assembled at general support maintenance  level. Item to be assembled at depot main- tenance   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. A  support  item  that  is  not  stocked. When required, item will be procured through normal supply channels. NOTE Cannibalization or salvage maybe used as a source of supply for any items source coded above except those coded XA or XD. (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  level authorized to move, replace, and use the support item. The maintenance code entered in the third position  will  indicate  one  of  the  following  levels  of maintenance: Code Application/Explanation C O I F H D Crew  or  operator  maintenance  per- formed within organizational mainte- nance. Support  item  is  removed,  replaced,  used at  the  organizational  level. Support  item  is  removed,  replaced,  used by  the  direct  support  element  of  in- tegrated  direct  support  maintenance. Support  item  is  removed,  replaced,  used at  the  direct  support  level. Support  item  is  removed,  replaced,  used at  the  general  support  level. Support  items  that  are  removed,  re- placed,  used  at  depot,  mobile  depot, specialized  repair  activity  only. NOTE Codes “I” and “F” will be considered the same by direct support units. (b) 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). This position will contain one of the following maintenance   codes: Code O F H D Application/Explanation The lowest maintenance level capable of complete  repair  of  the  support  item  is the  organizational  level. The lowest maintenance level capable of complete  repair  of  the  support  item  is the  direct  support  level. The lowest maintenance level capable of complete  repair  of  the  support  item  is the  general  support  level. The  lowest  maintenance  level  capable  of complete  repair  of  the  support  item  is the  depot  level. C-2