TM 5-3805-257-24P sequence.  The NIIN consists of the last nine NSN digits of the NSN (i.e.,  5305-01-574-1467).  When NllN using   this   column   to   locate   an   item,   ignore   the   first4 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  11  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    (CAGE)    Code    (C)    is    a    5-digit alphanumeric   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 CAGE columns to the left. (4) FIG.    column.        This    column    lists    the number of the figure where the item is identified/located in Sections 11 and Ill. (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 11 and lll (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) 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. 5.  Special Information. a. USABLE    ON    CODE.        The    usable    on    code appears in the lower left corner 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 T26 Model 175B, Type I T27 Model 175B, Type 11 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 5-3805-257-14&P c.    ASSEMBLY INSTRUCTIONS. Detailed assembly   instructions   for   items   source   coded   to   be assembled from component spare/repair parts are found in    TM    5-3805-257-14&P    Items    that    make    up    the assembly  are  listed  immediately  following  the  assembly item entry or reference is made to an applicable figure. d.    KITS.      Line   item   entries   for   repair   parts   kits appear in group 9401 in Section 11. e, INDEX NUMBERS. Items    which    have    the    word BULK  in  the  figure  column  will  have  an  index  number shown in the item number column.  This index number is a cross-reference between the National Stock Number/Part Number Index and the bulk material list in Section 11. 4