TM 5-2410-234-20P D- Depot    is    the    lowest    level    that    can    do complete repair of the item. L- Specialized repair activity 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,  lubrication,  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: Code Application/Explanation Z- Nonreparable   item.      When   unserviceable, condemn and dispose of the item at the level of maintenance shown in 3d position of SMR Code. O- Reparable      item.      When      uneconomically reparable, condemn and dispose of the item at unit maintenance or aviation unit level. F- Reparable      item.      When      uneconomically reparable, condemn and dispose of the item at the intermediate direct support or aviation intermediate level. H- Reparable      item.      When      uneconomically reparable, condemn and dispose of the item at the intermediate general support level. 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     of     item 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. FSCM  (Column  (3)).    The  Federal  Supply  Code  for Manufacturer (FSCM) is a 5-digit numeric code which is used to    identify    the    manufacturer,    distributor,    or    Government agency, etc., that supplies the item. d. PART   NUMBER   (Column   (4)).      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  you  use  a  NSN  to  requisition an   item,   the   item   you   receive   may   have   a different part number form the part ordered. e. DESCRIPTION AND USABLE ON CODE (UOC) (Column (5)).  This column includes the following information: (1) The   Federal   item   name   and,   when   required,   a minimum description to identify the item. (2) Physical security classification.  Not applicable (3) Items that are included in kits and sets are listed below the name of the kit or set on Figure KIT. (4) Spare/repair  parts  that  make  up  and  assembled item   are   listed   immediately   following   the   assembled   item   line entry. (5) Part numbers for bulk materials are referenced  in this     column     in     the     line     item     entry     for     the     item     to     be manufactured/fabricated. (6) When the item is not used with all serial numbers of the same model, the effective serial numbers are shown on the last line(s) of the description (before UOC).  Not applicable. (7) The     usable     on     code,     when     applicable     (see paragraph  5,  Special  information)  (8)  In  the  Special  Tools  List section, the basis of issue (BOI) appears as the last line(s) in the entry   for   each   special   tool,   special   TMDE,   and   other   special support   equipment.      When   density   of   equipments   supported exceeds  density  spread  indicated  in  the  basis  of  issue,  the  total authorization is increased proportionately. (9) The  statement  "END  OF  FIGURE"  appears   just below  the  last  item  description  in  Column  5  for  a  given  figure  in both Section II and Section III. f. QTY (Column (6)).  The QTY (quantity per figure column) indicates the  quantity  of  the  item  used  in  the  breakout  shown  on the  illustration  figure,  which  is  prepared  for  a  functional  group, subfunctional  group,  or  an  assembly.    A  "V"  appearing   in   this column in lieu  of  a  quantity  indicates  that  the  quantity  is  variable and the quantity may vary from application to application. 4. Explanation of Columns (Section IV). a. NATIONAL STOCK NUMBER (NSN) INDEX. 3