TM 1-4920-434-13&P
MACHINE/WELDING SHOP
COMPONENTS OF END ITEM (COEI) AND BASIC ISSUE ITEMS (BII) LISTS
INTRODUCTION
Scope
This work package lists COEI and BII for the Machine/Welding Shop 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 Machine/Welding Shop. 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 Machine/Welding Shop in operation,
operate it, and to do emergency repairs. Although shipped separately packaged, BII must be with the
Machine/Welding Shop 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 (NSN). 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 stowage location of COEI and BII is also included in this
column. The last line below the description is the CAGEC (Commercial and Government Entity Code) (in
parentheses) and the part number.
Column (4) Usable On Code (UOC). When applicable, gives you a code if the item you need is not the same for
different models of equipment.
Column (5) Unit of Issue (U/I). Indicates the physical measurement or count of the item as issued per the National
Stock Number shown in column (2).
Column (6) Qty Rqr. Indicates the quantity required.
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