EXPLANATION OF INDEX FORMAT AND COWMNS (SECTION IV).

TM 5-2815-231-24P

(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 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 this column instead 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. Use the complete NSN

(1 3 digits) when requisitioning 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, 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 FSCM columns to the left.