Explanation of Columns (Sect. IV). - TM-9-2920-258-30-P0039

TM 9-2920-258-30&P

(4) Part numbers for bulk materials are referenced in this column in the line item entry for the item

to be manufactured/fabricated.

(5) 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).

(6) The usable on code, when applicable (see paragraph).

(7) 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

proportionately.

(8) 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 Ill.

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, 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.

4. Explanation of Columns (Sect. 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.

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) FlG. coIumn. 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.

(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 O 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 coIumn. This column lists the NSN for the associated part number and

manufacturer identified in the PART NUMBER and FSCM columns to the left.

B-5