EXPENDABLE / DURABLE SUPPLIES AND MATERIALS LIST
Section I. INTRODUCTION
This appendix lists expendable supplies and materials you will need to operate and maintain the
air conditioner. 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 Items (Except
Medical, Class V, Repair Parts, and Heraldic Items).
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 material (e.g., "Use cleaning compound,
b. Column (2) - Level. This column identifies the lowest level of maintenance that requires
the listed item.
Direct Support Maintenance
General Support Maintenance
c. Column (3) - National Stock Number. This is the National stock number assigned to the
item; use it to request or 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 Commercial and Government Entity
Code (CAGEC) in parentheses followed by the part number.
e. 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.