PART NUMBER (Column (4)). Indicates the primary number used by the
manufacturer (individual, company, firm, corporation, or Government activity), which controls
the design and characteristics of the item by means of its engineering drawings, specifications,
standards, and inspection requirements to identify an item or range of items
When you use a NSN to requisition an item, the item you receive may
have a different part number from the part ordered.
DESCRIPTION AND USABLE ON CODE (UOC) (Column (5)). This column includes
the following information:
The Federal item name and, when required, a minimum description to
identify the item.
The physical security classification of the item is indicated by the
parenthetical entry (insert applicable physical security classification abbreviation, e.g., Phy
Sec C1 (C) - Confidential!, Phy Sec C1 (S) - Secret, Phy Sec C1 (T) - TOP secret).
Items that are included in kits and sets are listed below the name of the kit
Spare/repair parts that make up an assembled item are listed immediately
following the assembled item line entry.
Part numbers for bulk materials are referenced in this column in the line
item entry for the item to be manufactured/fabricated.
When the item is not used with all serial numbers of the same model, the
effective serial numbers are shown on the last line(s) of the description (before UOC).
The usable on code, when applicable (see paragraph 5, Special information).
In the Special Tools List section, the basis of issue (BOI) appears as the last
line(s) in the entry for each special tool, special TMDE, and other special support equipment.
When density of equipments supported exceeds density spread indicated in the basis of issue,
the total authorization is increased proportionately.
The statement END OF FIGURE appears just below the last item
description in Column 5 for a given figure in both Section II and Section III.
QTY (Column (6)). The QTY (quantity per figure column) indicates the quantity of
the item used in the breakout shown on the illustration figure, which is prepared for a
functional group, subfunctional group, or an assembly.
A V appearing in this column in lieu
of a quantity indicates that the quantity is variable and the quantity may vary from
application to application.