ARMY TM 9-2815-257-24P AIR FORCE TO 38G1-128-4 MARINE CORPS TM 10155A/2815-24P/4 6 When 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 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 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 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: . . .” under the 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 23W     Diesel Engine, Model L70AE-DEGFR 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 item source codes to be manufactured or fabricated are found in TM 9-2815-257-24. c.      Assembly Instruction.  Detailed assembly instructions for items source coded to be assembled from component spare/repair parts are found in TM 9-2815-257-24.  Items that make up the assembly are listed immediately following the assembly item entry or reference is made to an applicable figure.