TM  10-4930-204-23P Code KB MO MF MH MD AO AF AH AD XA XB XC XD Definition I t e m    i n c l u d e d    i n    b o t h    a    d e p ot overhaul/repair  kit  and  a  maintenance kit. Item to be manufactured or fabricated at the 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  the  direct support  maintenance  level. Item to be assembled at general support maintenance  level. I t e m    t o    b e    a s s e m b l e d    a t    d e p ot 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. I n s t a l l a t i o n    d r a w i n g ,    d i a g r a m, instruction  sheet,  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  supply  channels. NOTE 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  70042. (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 C O I F Application/Explanation C r e w    o r    o p e r a t o r    m a i n t e n a n ce performed 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. (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 L Z B 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. Repair   restricted   to   designated specialized  repair  activity. Nonreparable. No repair is authorized. No repair is authorized. The item maybe reconditioned  by  adjusting,  lubricating, etc., at the user level. No parts or special tools  are  procured  for  the  maintenance of this item. 2