MODERN BURNER UNIT (MBU)
COMPONENTS OF END ITEM (COEI) AND BASIC ISSUE ITEMS (BII) LIST
This section lists COEI and BII for the MBU to help you inventory items for safe and efficient operation of the
The COEI and BII information is divided into the following lists:
1. Components of End Item (COEI). This list is for information purposes only and is not authority to requisition
replacements. These items are part of the MBU. As part of the end item, these 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.
2. Basic Issue Items (BII). These essential items are required to place the MBU in operation, operate it, and to do
emergency repairs. Although shipped separately packaged, BII must be with the MBU during operation and when
it is transferred between property accounts. Listing these items 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.
Explanation of Columns in the COEI List and BII List
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 requisitioning purposes.
Column 3, Description, CAGEC, and Part Number, identifies the Federal item name (in all capital letters) followed
by a minimum description when needed. The last line below the description is the CAGEC (commercial and
Government entity code) (in parenthesis) and the part number.
Column 4, Usable on code, gives you a code if the item you need is not the same for different models of
equipment. These codes are identified below:
Column 5, UM (unit of measure), indicates how the item is issued for the National Stock Number shown in column
Column 6, Qty Rqr, indicates the quantity required.