TM 9-4940-342-14&P Code Definition 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   main- tenance 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. 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 or XD. (1)  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 Application/Explanation C.............. Crew    or    operator    maintenance    performed    with organizational maintenance. O.............. Support   item   is   removed,   replaced,   used   at   the organizational level. I ............... Support   item   is   removed,   replaced,   used   by   the direct  support  element  of  integrated  direct  support maintenance. 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, 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 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,  per- formed by depot, mobile depot or specialized repair activity. L .............   Repair  restricted  to  designated  specialized  repair activity. Z .............   Nonrepairable. No repair is authorized. B .............   No  repair  is  authorized.  The  item  may  be  recon- ditioned  by  adjusting,  lubricating,  etc.,  at  the  user level. No parts or special tools are procured for the maintenance of this item. (3)  Recoverability code. Recoverability codes are assigned to support items to indicate the disposition   action   on   unserviceable   items.   The recoverability code is entered in the fifth position of the Uniform SMR Code format as follows: Recoverability Codes Definition Z .............    Nonrepairable  item.  When  unserviceable,  condemn and dispose at the level indicated in position 3. O.............    Repairable  item.  When  uneconomically  repairable, condemn and dispose at organizational level. F .............    Repairable  item.  When  uneconomically  repairable, condemn and dispose at the direct support level. H.............    Repairable  item.  When  uneconomically  repairable, condemn and dispose at the general support level. D.............    Repairable  item.  When  beyond  lower  level  repair capability,    return    to    depot.    Condemnation    and disposal not authorized below depot level. L .............    Repairable item. Repair, condemnation and disposal not   authorized   below   depot/specialized   repair   ac- tivity level. A.............    Item   requires   special   handling   or   condemnation procedures because of specific reasons (i.e., precious metal content, high dollar value, critical material or hazardous material). Refer to appropriate manuals directives for specific instructions. c.  National    Stock    Number.    Indicates     the National  stock  number  assigned  to  the  item  and will be used for requisitioning purposes. d.  Part Number. Indicates the primary number used  by  the  manufacturer  (individual,  company, firm,  corporation  or  government  activity),  which controls the design and characteristics of the item by means of its engineering drawings, specifications, standards and inspection requirements,   to   identify   an   item   or   range   of items. NOTE When  a  stock  numbered  item  is  requisitioned, the repair part received may have a different part number than the part being replaced. 64