ARMY   TM   9-2815-253-24P AIR  FORCE  TO  38G1-93-4 MARINE   CORPS   TM   2815-24P/l 4 EXPLANATION  OF  COLUMNS  (SECTION  IV).  -  (Continued) (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 SPEClAL  INFORMATION.  Use  the  following  subparagraphs  as  applicable: a USABLE  The  usable  on  code  appears  in  the  lower  left  corner  of  the  Description  column heading.  Us&e  on  codes  are  shown  as  "U0C:  .  .  .  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 ERC Diesel  Engine,  Model  G240PW-28 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 8-2815-254-24. ASSEMBLY  INSTRUCTION.    Detail  assembly  instructions  for  items  source  coded  to  be  assembled from  component  spare/repair  parts  are  found  in  TM  9-2815-254-24.  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  throughout  Section  II. ASSOClATED    PUBLICATIONS, C-240PW-28  and  its  components: The  publication(s)  listed  below  pertain  to  Diesel  Engine,  Model Publication Short  Title TM   9-2815-254-24 Maintenance Manual, Diesel Engine, Model No. C-240PW-28 9