EXPENDABLE SUPPLIES AND MATERIALS LIST
Section I. INTRODUCTION
This appendix lists expendable supplies and materials you will need to operate and maintain the
compressor. These are authorized to you by CTA50-970, Expendable Items (Except Medical, Class V, Repair
Parts, and Heraldic Items).
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 soft bristled brush, item 1, Appendix E).
b. Column (2) - Level. This column identifies the lowest level of maintenance that required the listed
C - Operator/Crew
O - Organizational Maintenance
F - Direct Support Maintenance
G - 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 part number followed by the Federal Supply Code for
Manufacturer (FSCM) in parentheses, if applicable.
e. Column (5) - Unit of Measure (U/M). Indicates the measure used in performing the actual mainten-
ance 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