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 equip-
ments supported exceeds density spread indicated in the basis of issue, the total authorization is increased
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.
The indenture, shown as dots appearing before the repair part, indicates that the item is a
repair part of the next higher assembly.
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
may vary from application to application.
F4. EXPLANATION OF COLUMNS (SECTION IV).
NATIONAL STOCK NUMBER (NSN) INDEX.
STOCK NUMBER column. This column lists the NSN by National item identification num-
ber (NIIN) sequence. The NIIN consists of the last nine digits of the NSN, i.e.
When using this column to locate an item, ignore the first 4 digits of the NSN. However, the complete NSN
should be used when ordering items by stock number.
FIG. column. This column lists the number of the figure where the item is identified/lo-
cated. The figures are in numerical order in Section II and Section III.
ITEM column. The item number identifies the item associated with the figure listed in the
adjacent FIG. column. This item is also identified by the NSN listed on the same line.
PART NUMBER INDEX. Part numbers in this index are listed by part number in ascending alpha-
numeric sequence (i e., vertical arrangement of letter and number combination which places the first letter or
digit of each group in order A through Z, followed by the numbers 0 through 9 and each following letter or digit
in like order).
CAGEC column. The Commercial and Government Entity Code (CAGEC) is a 5 digit
numeric code used to identify the manufacturer, distributor, or Government agency, etc., that supplies the