EXPENDABLE/DURABLE SUPPLIES AND MATERIALS LIST
Section I. INTRODUCTION
Scope. This listing is for informational purposes only and is not authority to requisition the listed
items. These items are authorized to you by CTA 50-970, Expendable/Durable Items (except medical,
class V, repair parts, and heraldic items).
E2. Explanation of Columns.
Column (1) Item Number. This number is assigned to the entry in the listing and is referenced in
the narrative instructions to identify the material (e.g., Use cleaning compound, item 5, appendix C).
Column (2) Level. This column identifies the lowest levei of maintenance that requires the listed
O Unit Maintenance
F Direct Support Maintenance
H General Support Maintenance
Column (3) National Stock Number. This is the National stock number assigned to the item; use
it to request or requisition the item.
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 Commercial and Government Entity Code
(CAGEC) in parentheses followed by the part number.
Column (5) Unit of Measure (U/M). Indicates the measure used in performing the actual
maintenance function. This measure is expressed by a two-character alphabetical abbreviation (e.g.,
EA, IN, PR). If the unit of measure differs from the unit of issue, requisition the lowest unit of issue that will
satisfy your requirements.