EXPENDABLE SUPPLIES AND MATERIALS
Section I. INTRODUCTION.
SCOPE. This appendix lists expendable supplies and materials you will need to maintain the 621B Scraper. These
items are authorized to you by CTA 50-970, Expendable Items (except Medical, Class V, Repair Parts, and Heraldic
EXPLANATION OF COLUMNS.
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 anti-seize graphite, Item 14, App. C").
Column 2 - Level. This column identifies the lowest level of maintenance that requires the listed item:
C - Operator/Crew
O - Organizational Maintenance
F - Direct Support Maintenance
H - 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 item.
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.
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.