ARMY TM 9-2815-257-24 AIR FORCE TO 38G1-128-2 MARINE CORPS TM 10155A/2815-24/3 APPENDIX C COMPONENTS OF END ITEM (COEI) AND BASIC ISSUE ITEMS (BII) LISTS Section I.  INTRODUCTION C-1.  Scope. This appendix list components of end item and basic issue items for the engine assembly to help you inventory the items for safe and efficient operation of the equipment. C-2.  General. The Components of End Item (COEI) and Basic Issue Items (BII) lists are divided into the following sections: a. Section  II,  Components  of  End  Item.    This  listing  is  for  information  purposes  only,  and  is  not authority to requisition replacements.  These items are part of the engine assembly.  As part of the end item, these items must be with the end item whenever it is issued or transferred between property accounts.  Items of COEI are removed and separately packaged for transportation or shipment only when necessary.  Illustrations are furnished to help you find and identify the items. b. Section III, Basic Issue Items.    These  essential  items  are  required  to  place  the  engine  assembly  in operation, operate it, and to do emergency repairs.  Although shipped separately packaged, BII must be with the engine  assembly  during  operation  and  when  it  is  transferred  between  property  accounts.    This  list  is  your authority   to   request/requisition   them   for   replacement   based   on   authorization   of   the   end   item   by   the TOE/MTOE.  Illustrations are furnished to help you find and identify the items. C-3.  Explanation of Columns. a. Column 1, Illus Number, gives you the number of the item illustrated. b. Column  2,  National  Stock  Number,   identifies   the   stock   number   of   the   item   to   be   used   for requisitioning purposes. c. Column 3, Description and Usable On Code, identifies the Federal item name (in all capital letters) followed by a minimum description when needed.  The last line below the description is the Commercial and Government Entity Code (CAGEC) (in parentheses) and the part number. d. Column 4, U/I (Unit of Issue), indicates how the item is issued for the National Stock Number shown in Column (2). e. Column 5, Qty Reqd, indicates the quantity required. C-1