SHOP EQUIPMENT CONTACT MAINTENANCE (SECM)
COMPONENTS OF END ITEM (COEI) AND
BASIC ISSUE ITEMS (BII) LISTS
This work package lists COEI and BII for the SECM to help you inventory items for safe and efficient operation of
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 SECM. 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 SECM in operation, operate it, and to do
emergency repairs. Although shipped separately packaged, BII must be with the SECM 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. Identifies the figure number where the item is illustrated.
Column (2) National Stock Number (NSN). Identifies the stock number of the item to be used for requisitioning
Column (3) Description.
Identifies the Federal item name (in all capital letters) followed by a minimum
description when needed.
Column (4) CAGE Code. Identifies the CAGEC (commercial and Government entity code).
Column (5) Part Number. Identifies the part number.
Column (6) Usable On Code. When applicable, gives you a code if the item you need is not the same for
different models of equipment. (Add the following only as applicable. Replace Xs with appropriate codes and
model numbers.) These codes are identified below:
Change 1 15 March 2005