EXPENDABLE/DURABLE SUPPLIES AND MATERIALS LIST
Section I. INTRODUCTION
This appendix lists expendable supplies and materials you will need to operate and maintain the heater unit. 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.
E-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 sealing compound, Item 6, Appendix E").
Column 2-Category. This column identified the lowest category of maintenance that required the listed item:
C - Operator/Crew
O - Organizational
F - Direct Support
H - General Support
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
parenthesis, 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 lowest unit of measure
differs from the rest of the issue, requisition the lowest unit of issue that will satisfy your requirements.