EXPENDABLE/DURABLE SUPPLIES AND MATERIALS LIST
SECTION I. INTRODUCTION
This appendix lists expendable supplies and materials you will need to operate and maintain the diving helmet.
These items are authorized to you by CTA 50-970, Expendable/Durable Items (except Medical, Class V,
Repair Parts and Heraldic Items), or CTA 8-1 00, Army Medical Department.
E-2. Explanation of Columns.
a. Column 1-Item Number. This number is assigned to the entry in the listing and is referenced in the
narrative instructions to identify the item (e.g. Use Loctite, item 6, appx E.)
b. Column 2-Level. This column identifies the lowest level of maintenance that requires the listed item.
c. Column 3-National Stock Number. This is the national stock number assigned to the item; use it to
request/requisition the item.
d. Column 4-Description. Indicates the federal item name and, if required, a description to identify the
item. The last line for each item indicates the part number followed by the Commercial and Government Entity
Code (CAGE) in parentheses, if applicable.
e. Column 5-Unit of Measure (U/M). Indicates the measure used in performing the actual mainte- nance
function. This measure is expressed by a two-character alphabetical abbreviation (ea., in, pr). If the lowest
unit of measure differs from the rest of the issue, requisition the lowest unit of issue that will satisfy your