TM 10-3930-607-24P 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. (1) STOCK  NUMBER  column.    This  column lists   the   NSN   by   National   Item   Identification   Number (NIIN) sequence.  The NIIN consists of the last nine NSN digits of the NSN (i.e.,  5305-01-b4-146/).  When NIIN using this column to locate an Item, ignore the first 4 digits of the NSN.  However, the complete NSN should be used when ordering Items by stock number. (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 III. (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     (CAGE)     Code     (C)     is     a     5digit alphanumeric   code   used   to   identify   the   manufacturer, distributor, or Government agency, etc., that supplies the item. (2) PARTNUMBER    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. (4) FIG.        column.        This    column    lists    the number of the figure where the item is identified/located in Sections II and IIIl. (5) ITEM  column.    The  item  number  is  that number  assigned  to  the  item  as  it  appears  in  the  figure referenced in the adjacent figure number column. c. FIGURE AND ITEM NUMBER INDEX. (1) FIG.        column.        This    column    lists    the number of the figure where the item is identified/located in Sections II and III. (2) ITEM  column.    The  item  number  is  that number  assigned  to  the  item  as  it  appears  in  the  figure referenced in the adjacent figure number column. (3) STOCK  NUMBER  column.    This  column lists the NSN for the item. (4) CAGEC   column.      The   Commercial   and Government    Entity    (CAGE)    Code    (C)    is    a    5-digit alphanumeric   code   used   to   identify   the   manufacturer, distributor, or Government agency, etc., that supplies the item. (5) PARTNUMBER    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. 5. Special Information. a. USABLE    ON    CODE.        The    usable    on    code appears in the lower left comer of the Description column heading.  Usable on codes are shown as "UOC:  ......  " in  the  Description  column  (justified  left)  on  the  first  line following applicable item description/nomenclature. Uncoded items are applicable to all models. Identification of the usable on codes used in the RPSTL are: Code Used On CQV 100 IN. CQW 180 IN. b. FABRICATION INSTRUCTIONS. Bulk materials required to manufacture items are listed in the Bulk Material Functional Group of this RPSTL. Part  numbers  for  bulk  materials  are  also  referenced  in the Description column of the line item entry for the item to    be    manufactured/fabricated.        Detailed    fabrication instructions  for  items  source  coded  to  be  manufactured or fabricated are found in TM 103930-607-15. c. ASSEMBLY INSTRUCTIONS. Detailed assembly   instructions   for   items   source   coded   to   be Change 1  4