TM 5-6675-312-24P PF Support  equipment  which  will  not  be  stocked  but which will be centrally procured on demand. PG Item procured and stocked to provide for sustained support for the life of the equipment.  It is  applied  to  an  item  peculiar  to  the  equipment which,    because    of    portable    discontinuance    or shutdown   of   production   facilities,   would   prove uneconomical to reproduce at a later time. KD An   item   of   a   depot   overhaul/repair   kit   and   not purchased  separately.    Depot  kit  defined  as  kit that    provides    items    required    at    the    time    of overhaul or repair. KF 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. KB Item included in both a deport overhaul/repair kit and a maintenance. MO Item to be manufactured or fabricated at organization level. MF Item to be manufactured or fabricated at the direct support maintenance level. MH Item   to   be   manufactured   or   fabricated   at   the general support maintenance level. MD Item to be manufactured or fabricated at the depot maintenance level. AO Item  to be assembled at organizational level. AF Item to be assembled at 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. 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     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  coils  are  entered  in  the  third  and  fourth positions of the Uniform SMR Code format a follows: (a)    The  maintenance  code  entered  in  the  third position    will    indicate    the    lowest    maintenance    level authorized  to  remove,  replace,  and  the  support  item. The  maintenance  code  entered  the  third  position  will indicate one of the following levels of maintenance: Code Application/Explanation C Crew   or   operator   maintenance   performed   within organizational maintenance. O Support   item   is   removed,   replace,   used   at   the organizational level. F Support   item   is   removed,   replaced,   used   at   the direct Support. 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. (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 Application/Explanation O The lowest maintenance level capable of complete repair of the support item is the organizational level. F The lowest maintenance level capable of complete repair of the support item is the direct support level. H The lowest maintenance level  capable  of  complete repair  of  the  support  item  is  the  general  support level. D The lowest maintenance level capable of complete repair of the support item is the depot level. L Repair   restricted   to   (enter   applicable   designated specialized     repair     activity),     Specialized     Repair Activity. 2