TM5-2090-202-12&P
TM 2090-12&P/1A
(7) The usable on code, when applicable (reference 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 equipment supported
exceeds density spread indicated in the basis of issue, the total authorization is increased proportionately.
(9) The statement " ND OF FIGURE" appears just below the last item description in Column (5) for a given figure
E
in both Section II and Section III.
(10) The indenture, shown as dots appearing before the repair part, indicates that the item is a repair part of the
next higher assembly.
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.
C-4. EXPLANATION OF INDEX FORMAT AND COLUMNS (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
NSN, i.e. (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).
(1) FSCM column. The Federal Supply Code for Manufacturer (FSCM) is a 5-digit numeric code used to identify
the manufacturer, distributor, or Government agency/activity 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 FSCM columns to the left.
C-7