(4) FIG. Column. This column lists the number of the figure where the item is identified/located in Section II
and Section III.
(5) ITEM Column The item number is that number assigned to the item as it appears in the figure referenced
in adjacent figure number column.
c. FIGURE AND ITEM NUMBER INDEX
(1) FIG. Column This column lists the number of the figure where the item is identified/located in Section II
and Section III.
(2) 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
(3) STOCK NUMBER Column This column lists the NSN for the item
(4) CAGEC Column. The Commercial and Government Entity Code (CAGEC) Is a 5-digit numeric code
used to identify the manufacturer, distributor, or Government agency/activity that supplies the item.
(5) 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.
a. USABLE ON CODE. The usable on code appears in the lower left comer 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 Identification of the usable on codes used in this
b. 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
6. HOW TO LOCATE REPAIR PARTS.
a. When National Stock Numbers or Part Numbers are NOT Known
(1) First. Using the table of contents, determine the assembly or subassembly group to which the item
belongs. This is necessary since figures are prepared for assembly groups and subassembly groups, and listings are
divided into the same groups.
(2) Second. Find the figure covering the assembly group or subassembly group to which the item belongs.
(3) Third. Identify the item on the figure and use the Figure and Item Number Index to find the NSN.