EXPENDABLE SUPPLIES AND MATERIALS LIST
This appendix lists expandable supplies and materials you will need to operate and maintain the Air
Conditioner. These items 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 coater air filter, Item 1, App. E").
b. Column 2 - Level. This column identifies the lowest level of maintenance that requires the listed item.
(enter as applicable):
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 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 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.