e. DESCRIPTION AND USABLE ON CODE (UOC)
Column. This column includes the
(1) The Federal item name and, when required,
a minimum description to identify the item.
(2) The physical security classification of the
item is indicated by the parenthetical entry (e. g. , Phy
Sec C1 (C) -Confidential, Phy Sec Cl (S) -Secret, Phy
Sec Cl (T) Top Secret). No parts of the extended range
fuel system have a physical security classification.
(3) Items that are included in kits and sets are
listed below the name of the kit or set.
(4) Spare/repair parts that make up an
assembled item are listed immediately following the
assembled item line entry.
(5) Part numbers for bulk materials are
referenced in this column in the line item entry for the
item to be manufactured/fabricated.
(6) 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).
(7) The usable on code, when applicable (see
paragraph C-5, Special information.
(8) 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.
(9) 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.
f. QTY Column'. 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.
C-4. EXPLANATION OF COLUMNS (Section IV).
a. NATIONAL STOCK NUMBER (NSN) INDEX.
(1) STOCK NUMBER Column. This column
lists the NSN by National Item Identification Number
(NIIN) sequence. The NIIN consists of the last nine digits
NSN of the NSN (i. e. , 5305-01-674-1467). NIIN 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.
(2) FIG. Column. This column lists the
number of the figure where the item is identified/located.
The figures are in numerical order in Section II and
Section III.
(3) 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.
b. PART NUMBER INDEX. Part numbers in this
index
are
listed
by
part
number
in
ascending
alphanumeric 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).
C-5
