EXPENDABLE/DURABLE ITEMS LIST
SECTION I. INTRODUCTION
This appendix lists expendable supplies and materials you will need to operate and maintain the Petroleum Laboratory.
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/Durable Items.
E-2. EXPLANATION OF COLUMNS.
a. Column l 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, Item 5, Appendix D").
b. Column 2 Level. This column identifies the lowest level of maintenance that requires the listed item:
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 item name and, if required, a description to identify the item. The
last line for each item indicates the Commercial and Government Entity Code (CAGE) 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.