EXPENDABLE/DURABLE SUPPLIES AND MATERIALS LIST
Section I. INTRODUCTION
This appendix lists expendable/durable supplies and materials you will need to operate and maintain the Reverse
Osmosis Water Purification Unit. This listing is for informational purpose 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), or CTA 8-100, Army Medical Department Expendable/Durable Items.
D-2. EXPLANATION OF COLUMNS.
Column 1 Item Number. This number is assigned to the entry in the listing and is referenced in the task
Initial Setup instructions to identify the material; e. g. , "Drycleaning solvent (Item 24, App D). "
Column 2 Category. This column identifies the lowest category of maintenance that requires the listed item:
Direct Support Maintenance
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 items.
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 Commercial And Government Entity (CAGE)
Code for Manufacturer in parenthesis, if applicable.
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 rest of the issue, requisition the lowest unit of issue that will satisfy your requirements.