TM 55-1560-307-13&P Code Application/Explanation O -Organizational   or   (aviation   unit)   is   the   lowest level that can do complete repair of the item. F -Direct   support   or   aviation   intermediate   is   the lowest level that can do complete repair of the item. H -General  support  is  the  lowest  level  that  can  do complete repair of the item. L -Specialized repair activity (designate the specialized repair activity) is the lowest level that can do complete repair of the item. D -Depot  is  the  lowest  level  that  can  do  complete repair of the item. Z -Nonreparable.  No repair is authorized. B -No   repair   is   authorized.      (No   parts   or   special tools  are  authorized  for  the  maintenance  of  a  "B"  coded item).      However,   the   item   may   be   reconditioned   by adjusting, lubricating, etc., at the user level. (3)  Recoverability  Code.    Recoverability  codes are assigned to items to indicate the disposition action on unserviceable  items.    The  recoverability  code  is  entered in the fifth position of the SMR Code as follows: Recoverability Application/Explanation Code H -Reparable item. When uneconomically reparable,   condemn   and   dispose   of   the   item   at   the general support level. Recoverability Application/Explanation Code D -Reparable item.  When beyond lower level repair capability, return to depot.  Condemnation and disposal of item not authorized below depot level. L -Reparable item.  Condemnation and disposal not authorized below specialized repair activity (SRA). A -Item  requires  special  handling  or  condemnation procedures  because  of  specific  reasons  (e.g.,  precious metal   content,   high   dollar   value,   critical   material,   or hazardous material). Refer to appropriate manuals/directives for specific instructions. c.      COMMERCIAL   AND   GOVERNMENT   ENTITY (CAGE)   CODE   Column.      A   five   position   numeric   or alphanumeric code used to associate a source, manufacturer,  or  controller  to  all  reference  and/or  part numbers. d.   PART  NUMBER  Column.    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 or its engineering     drawings,     specifications     standards,     and inspection  requirements  to  identify  an  item  or  range  of items. NOTE When you use an NSN to requisition an item,  the  item  you  receive  may  have  a different   part   number   from   the   part ordered. C-4