TM 5-3820-276-10-2
OPERATOR MAINTENANCE
COMPONENTS OF END ITEM (COEI) AND BASIC ISSUE ITEMS (BII) LISTS
INTRODUCTION
Scope
This work package lists COEI and BII for the Water Well Drilling System (WWDS) to help you inventory items for
safe and efficient operation of the equipment.
General
The COEI and BII information is divided into the following lists:
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 WWDS. 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.
Basic Issue Items (BII). These essential items are required to place the WWDS in operation, operate each piece
of equipment, and to do emergency repairs. Although shipped separately packaged, BII must be with the WWDS
during operation and when it is transferred between property accounts. There is one BII for each vehicle (Drilling
Rig and Support Vehicle) and one each for the (Portable Air Compressor and Mud Cleaning System). 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) Item Number, gives you the number of the item illustrated.
Column (2) National Stock Number (NSN) and Illustration, identifies the stock number of the item to be used for
requisitioning purposes and contains an illustration of the item. For this COEI list, there are no NSNs assigned.
Column (3) Description, Part Number/(CAGEC), identifies the Federal item name (in all capital letters) followed
by a minimum description when needed. The stowage location of COEI and BII is also located in this column. The
last line below the description is the part number and the Commercial and Government Entity Code (CAGEC) (in
parentheses) and the part number.
Column (4) Usable On Code, when applicable, gives you a code if the item you need is not the same for different
models of equipment. For this COEI/BII list, there are no Usable On Codes assigned.
Column (5) U/I. Unit of Issue (U/I), indicates the physical measurement or count of the item issued for the
National Stock Number shown in column (2).
Column (6) Qty. Rqr, indicates the quantity required.
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02/13/2013root(coeibiiwp)wpno(S07002)
