EXPENDABLE/DURABLE SUPPLIES AND MATERIALS LIST (EDSML)
Section I. INTRODUCTION
This appendix lists expendable supplies and materials you will need to operate and maintain the air
conditioner. These items are authorized to you by CTA 50-970, Expendable Items (Except Medical,
Class V, Repair Parts, and Heraldic Items).
D - 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 Coater, Air Filter,
b. Column (2) - Level. This column identifies the lowest level of maintenance that
requires the listed item (enter as applicable):
O- Unit Maintenance
F - Direct Support Maintenance
H - 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 items 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. Colu mn (5). Unit of Measure (U/M).
Indicates the measure used in performing the
actual maintenance function. The 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