SECTION I TM 53810-232-20P (1) STOCK NUMBER column. This column lists the NSN by National item identification number (NIIN) sequence The NIIN consists of the last nine NSN NSN digits of the NSN (i e.,  5305-01-674-1467.) When using NIIN 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 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) 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, 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 111. (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 Section II1 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) 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. (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. 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 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 BGJ Model 2380 BGH Model 2385 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 5-3810-232-12 and TM 5- 381 0-232-34. c.   ASSEMBLY   INSTRUCTION.  Detailed   assembly instructions  for  items  source  coded  to  be  assembled from  component  spare/repair  parts  are  found  in  TM  5- 3810-232-12 and TM 5-3810-232-34 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 II. 4