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TM 10-4320-351-24P
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
(E.G., 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 (13 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 Sections II and 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 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)
PART NUMBER Column. Indicates the primary number assigned to the item 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.
(2)
FIG. Column. This column lists the number of the figure where the item is identified/located in Sections II
and III.
(3)
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.
5. SPECIAL INFORMATION.
a.
USABLE ON CODE. The usable on code appears in the lower left corner of the Description column heading.
Usable on codes are shown as "UOC. . ." in the Description Column (justified left) on the last line of the applicable item
description/nomenclature. Uncoded items are applicable to all models.
Code
Used On
A
MODEL
b. 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
entry for the item to be manufactured/fabricated. Detailed fabrication instructions for items source coded to be
manufactured or fabricated are found in TM 10-4320-351-14, Appendix G.
c.
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.
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