TM 9-2815-250-24&P C-3. EXPLANATION OF COLUMNS (SECTIONS II AND III) (continued). d. CAGEC  [Column  (4)].    The  commercial  and  government  entity  code  (CAGEC)  is  a  five-digit  alphanumeric  code used to identify the manufacturer, distributor, or Government agency, etc., that supplies the item. NOTE When you use an NSN to requisition an item, the item you receive may have a part number different from the part ordered e. PART  NUMBER  [COLUMN  (5)].    Indicates  the  primary  number  used  by  the  manufacturer(individual,  company, firm,  corporation,  of  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 f. DESCRIPTION AND USABLE-ON CODE(UOC) [Column (6)].  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 an 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 the UOC) (7) The UOC, when applicable (see para C-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  BOI,  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. g. QTY  [Column  (7)].    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  may  vary  from application to application. C-5