TM 1-4220-250-12&P
(1) The Federal item name and, when required, a minimum description to identify the item.
(2) The usable on code, when applicable (see paragraph C.4, Special Information).
(3) 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 In.
g. Unit of Measure (U/M) (Column (7)). Indicates the standard of the basic quantity of the listed item as used in
performing the actual maintenance function. This measure is expressed by a two-character alphabetical
abbreviation (e.g., ea, in, pr, etc). When the unit of measure differs from the unit of issue, the lowest unit of
issue that will satisfy the required units of measure will be requisitioned.
h. Qty (Column (8)). The QTY (quantity incorporated in unit) 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 that 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 of the NSN, as follows:
NSN
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 II.
(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).
(1) CAGEC Column. The CAGEC is a 5-digit alpha numeric code used to identify the manufacturer, distributor, or
Government agency, etc., that supplies the item.
(2) Part Number Column. Indicates the primary number used by the manufacturer (individual, 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.
(3) Stock Number Column. This column lists the NSN for the associated part number and manufacturer identified
in the PART NUMBER and CAGEC columns to the left
C-5
