EXPENDABLE/DURABLE SUPPLIES AND MATERIALS LIST
Section I. INTRODUCTION
B-1. Scope. This appendix lists expendable supplies and materials you will need to operate and maintain
the ribbon bridge. These items are authorized to you by CTA 50-970, Expendable Items (except Medical,
Class V, Repair Parts, and Heraldic Items).
B-2. Explanation of Columns.
Column (1)- Item Number. This number is assigned to the entry in the listing and referenced in the
narrative instructions to identify the material (e.g., "Use dry cleaning solvent, Item 2, Appendix B.).
Co/umn (2) - Level. This column identifies the lowest level of maintenance that requires the listed
item. (Enter as applicable.)
C - Operator/Crew
O- Unit Maintenance
F - Direct Support Maintenance
H - General Support Maintenance
D - Depot Maintenance
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
e.Column (5)- Unit of Measure (U/M).
.Indicates the measure used in performing the actual mainte-
nance 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