sons (e.g., precious metal content, high dollar value, critical material, or hazardous material). Refer to
appropriate manuals/ directives for specific instructions.
CAGEC (Column (3)). The Commercial and Government Entity (CAGE) Code (C) is a 5-digit alphanumeric
code which is used to identify the manufacturer, distributor, or Government agency, etc., that supplies the
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
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
DESCRIPTION AND USABLE ON CODE (UOC) (Column (5)). This column includes the following
(1) The Federal item name and, when required, a minimum description to identify the item.
(2) Physical security classification. Not Applicable.
(3) Items that are included in kits and sets are listed below the name of the kit or set on
(4) Spare/repair parts that make up an assembled item are listed immediately following the assembled item l
(5) Part numbers for bulk materials are referenced in this column in the line item entry for the item to be
(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). Not Applicable.
(7) The usable on code, when applicable (see paragraph 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
(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.
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.
F-4. EXPLANATION OF COLUMNS (SECTION IV).
NATIONAL STOCK NUMBER (NSN) INDEX.
(1) STOCKNUMBER column. This column lists the NSN by National Item Identification Number (NIIN)
sequence. The NIIN consists of the last nine
digits of the NSN (i.e., 5305-01-674-1467 ). 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.
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