TM 10-4320-317-23P
c. CAGEC (Column (3)).
d. 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.
NOTE
When you use an NSN to requisition an item, the item you receive may have a different part
number from the part ordered.
e. DESCRIPTION AND USABLE ON CODE (UOC) (Column (5). This column includes the following information:
(1) The Federal item name and, when required, a minimum description to identify the item.
(2) Part numbers of bulk materials are referenced in this column in the line entry to be
manufactured/fabricated.
(3) 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 (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 the column in lieu of a quantity indicates that the quantity is variable and may vary from application to
application.
4. EXPLANATION OF INDEX FORMAT AND COWMNS (SECTION IV).
a. NATIONAL STOCK NUMBER (NSN) INDEX.
(1) STOCK NUMBER Column. This column lists the NSN in national item identification number (NIIN)
sequence. The NIIN consists of the last nine digits of the NSN, i.e.
NSN
5305-01-574-1467
NIIN
When using this column to locate an item, ignore the first four 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 in ascending alphanumeric sequence (i. e.,
vertical arrangement of letter and number combinations which place 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).
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