TM 5-2420-230-10
Components of End Item (COEI)
and Basic Issue Items (BII)
Introduction.
Section I.
B-1. SCOPE.
This appendix lists components of the end item and basic issue items for the IHMEE to help you inventory the items for safe
and efficient operation of the equipment.
B-2. GENERAL.
The COEI and 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 end item. As part of the end item, these items shall be with the end
item when issued or transferred between property accounts. COEI are transferred between property accounts.
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 IHMEE in operation, operate the
IHMEE, and do emergency repairs. Although shipped separately packaged, BII must be with the IHMEE during
operation and when the IHMEE is transferred between property accounts. This list is your authority to request/
requisition BII for replacement based on authorization of the end item by the TOE/MTOE. Illustrations are furnished to
help you find and identify the items.
B-3. EXPLANATION OF COLUMNS.
a. Column (1) - Illustration Number (Illus. No.). This column indicates the number of the illustration in which the
item is shown. "NI" indicates that the item is not illustrated.
b. Column (2) - Part No. Indicates the part number assigned by the manufacturer to the item and may be used for
requisitioning purposes when an NSN is not listed.
c. Column (3) - National Stock Number (NSN). Indicates the National Stock Number (NSN) assigned to the item
and will be used for requisitioning purposes when available.
d. Column (4) - Description. Indicates the item name and, if required, a description to identify and locate the item.
e. Column (5) - Unit of Measure. Indicates the measure used in performing the actual operation or maintenance
function. This measure is expressed by an alphabetical abbreviation (ea., in., per).
f. Column (6) - Quantity (Qty). Indicates the quantity of the item authorized to be used with/on the equipment.
