EXPENDABLE SUPPLIES AND MATERIALS LIST
Section 1. INTRODUCTION
This appendix lists expendable supplies and materials you will need to repair the M19 and M24
Periscopes. These items are authorized to you by CTA 50-970, Expendable Items (except Medical, Class
V, Repair Parts, and Heraldic Items).
EXPLANATION OF COLUMNS
a. Column 1 - Item Number. This number is assigned to the entry in the listing and is used in the
manual to identify the material, for example, grease (item 2, App A).
b. Column 2- Level. This column identifies the lowest level of maintenance that requires the listed
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. This tells the federal item name and, if needed, 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). This column shows how the item measured; for example,
you may see these abbreviations: ea (each), in (inches), or pr (pair). Order the smallest amount you