TM 10-3930-656-24P (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) FSCM Column.  The Federal Supply Code for Manufacturer (FSCM) 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, 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. (3) STOCK   NUMBER   Column.      This   column   lists   the   NSN   for   the   associated   part   number   and manufacturer identified in the PART NUMBER and FSCM columns to the left. (4) FIG.  Column .  This column lists the number of the figure where the item is identified/located in Section II and Section III. (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. 5. Special Information.  Use the following subparagraphs as applicable: 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 applicable item description/nomenclature Uncoded items are applicable to all models. 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 the applicable maintenance level manual. c. ASSEMBLY INSTRUCTIONS.  Detailed assembly instructions for items source coded to be assembled from component spare/repair parts are found in the applicable maintenance level manual.  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 a group in Section II See table of contents. 7