EXPLANATION OF COLUMNS (SECTION IV). - TM-3-4230-209-30-P0271

B-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

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 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 column. This column lists the NSN for the associated part number and manufacturer identified in the PART NUMBER and FSCM

columns to the left.

(4) FIG. column. This column lists the number of the figure where the item is identified/located in section Il.

(5) ITEM column. The item number is that number assigned to the item as it appears in the figure referenced in the adjacent figure number column.

B-5. SPECIAL INFORMATION.

a. Fabrication Instructions. Bulk materials required to manufacture items are listed in the bulk material functional group of this RPSTL. Part numbers for bulk

materials are also referenced in the description column of the line item entry for the item to be manufactured/fabricated. Detailed fabrication instructions for items

source coded to be manufactured or fabricated are found in appendix D of this manual.

b. Assembly Instructions. Detailed assembly instructions for items source coded to be assembled from component spare/repair parts are found in this manual.

Items that make up the assembly are listed immediately following the assembly item entry or reference is made to an applicable figure.

c. Kits. Line item entries for repair parts kits appear in a group in section II (see table of contents).

d. Index Numbers. Items which have the word BULK in the figure column will have an index number shown in the item number column. This index number is a

cross-reference between the National Stock Number/Part Number index and the bulk material list in section II.

TM 3-4230-209-30&P

B-5