ARMY TM 9-2815-257-24
AIR FORCE TO 38G1-128-2
MARINE CORPS TM 10155A/2815-24/3
COMPONENTS OF END ITEM (COEI) AND BASIC ISSUE ITEMS (BII) LISTS
Section I. INTRODUCTION
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.
The Components of End Item (COEI) and Basic Issue Items (BII) lists are divided into the following sections:
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.
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.
Column 1, Illus Number, gives you the number of the item illustrated.
Column 2, National Stock Number, identifies the stock number of the item to be used for
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.
Column 4, U/I (Unit of Issue), indicates how the item is issued for the National Stock Number shown
in Column (2).
Column 5, Qty Reqd, indicates the quantity required.