TM    9-2815-210-34P (b)  The  maintenance  code  entered  in  the  4th  position  tells  you  whether  or  not  the  item  is  to  be repaired  and  identifies  the  lowest  maintenance  level  with  the  capability  to  do  complete  repair  (i.e.,  perform all  authorized  repair  functions).  (NOTE:  Some  limited  repair  may  be  done  on  the  item  at  a  lower  level  of maintenance, if authorized by the Maintenance Allocation Chart (MAC) and SMR codes.) This position will contain   one   of   the   following   maintenance   codes: Code Application   Explanation O -    Unit  is  the  lowest  level  that  can  do  complete  repair  of  the  item. F -  Direct  support  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  5th  position  of  the  SMR  code  as follows: Recoverability Code Z O Application/Explanation -  Nonreparable  item.  When  unserviceable,  condemn  and  dispose  of  the  item at  the  level  of  maintenance  shown  in  3rd  position  of  SMR  code. -  Reparable  item.  When  uneconomically  reparable,  condemn  and  dispose  of the  item  at  unit  level. F H D L A -  Reparable  item.  When  uneconomically  reparable,  condemn  and  dispose  of the  item  at  the  direct  support  level. -  Reparable  item.  When  uneconomically  reparable,  condemn  and  dispose  of the  item  at  the  general  support  level. -   Reparable   item.   When   beyond   lower   level   repair   capability,   return   to   depot. Condemnation   and   disposal   of   item   not   authorized   below   depot   level. -  Reparable  item.  Condemnation  and  disposal  not  authorized  below Specialized   Repair   Activity   (SRA). - 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.  National  Stock  Number  (NSN  (Column  (3)).  This  column  lists  the  NSN  for  the  associated  part number  and  manufacturer  identified  in  the  PART  NUMBER  and  CAGEC  columns  to  the  right. d.  CAGEC  (Column  (4)).  The  Commercial  and  Government  Entity  Code  (CAGEC)  is  a  S-digit  numeric code  used  to  identify  the  manufacturer,  distributor,  or  Government  agency,  etc.,  that  supplies  the  item. e.  Part  Number  (Column  (5)).  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.  Part  numbers  not  available  (N/A)  will  be  provided  as  updates  to  this  manual when available. 3