EXPLANATION OF COLUMNS (SECTIONS II AND Ill) (Cont).
When you use an NSN to requisition an item, the item you receive may have a differ-
ent part number from the part ordered.
PART NUMBER - Column (5). Indicates the primary number used by the manufacturer (individ-
ual, 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.
DESCRIPTION AND USABLE ON CODE (UOC) - Column (6).
This column includes the follow-
The Federal item name and, when required, a minimum description to identify the item.
Physical security classification. Not applicable.
Items that are included in kits and sets are listed below the name of the kit or set.
Spare/repair parts that make up an assembled item are listed immediately following the
assembled item line entry.
Part numbers for bulk materiels 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). Not Applicable.
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 equipment sup-
ported 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 6
for a given figure in both Section II and Section Ill.
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, 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.
EXPLANATION OF COLUMNS (SECTION IV).
National Sock 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., NSN 5305-01-674-1467). 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.
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 Ill.
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 alphanu-
meric 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