TM   10-7360-206-23P T.O.   35E4-172-5-4 (7) The  usable  encode,  when  applicable  (see  paragraph  5,  Special  information). (8) ln the Special Tools List section, the basis of issue (BOl) 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 (10) The indenture, shown as dots appearing before the repair part, indicates that the item is a repair part of the next higher assembly. 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 may vary from application to application. 4. EXPLANATION  OF  COLUMNS  (SECTION  IV). a. NATIONAL  STOCK  NUMBER  (NSN)  INDEX. (1)   STOCK   NUMBER   column.   This  column  lists  the number (NIIN) sequence. The NIIN consists of the last nine digits NSN 5305-01-574-1467 NIIN NSN  by  National of the NSN, i.e. When using this column to locate an item, ignore the first 4 digits of the NSN. However, should be used ‘when ordering items by stock number. item  identification the  complete  NSN (2)   FIG.   column. This   column   lists   the   number   of   the   figure   where   the   item   is identified/located.  The  figures  are  in  numerical  order  in  Section  II  and  Section  Ill. (3) ITEM column.  The item number identifies the item associated with the figure listed in the adjacent  FIG.  column.  This  item  is  also  identified  by  the  NSN  listed  on  the  same  line. b.  PART  NUMBER  INDEX.  Part  numbers  in  this  index  are  listed  by  part  number  in  ascending alphanumeric  sequence  (i.e.,  vertical  arrangement  of  letter  and  number  combination  which  places  the first letter or digit of each group in order A through Z, followed by the numbers 0 through 9 and each following letter or digit in like order). (1)  CAGEC  column.  The  Commercial  and  Government  Entity  Code  (CAGEC)  is  a  5-digit numeric  code  used  to  identify  the  manufacturer,  distributor,  or  Government  agency,  etc.,  that  supplies  the item. (2)   PART   NUMBER   column. Indicates  the  primary  number  used  by  the  manufacturer (individual,  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. (3) STOCK NUMBER column.  This column lists the NSN for the associated part number and manufacturer identified in the PART NUMBER and CAGEC columns to the left. 5