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TM 9-4120-390-24P
(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 In.
(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, etc., 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.
5. SPECIAL INFORMATION.
a. USABLE ON CODE. The usable on code appears in the lower corner of the Description column heading. Usable
on codes are shown as ’UOC: ......." in the Description Column (justified left) on the last line applicable item
description/nomenclature. Uncoded items are applicable to all models.
b. ASSOCIATED PUBLICATIONS. The publications listed below pertains to the Air Conditioner, Model 12090-605
and its components.
Publication
Short Title
TM 5-4120-390-14
Operation and Maintenance Instructions
6. HOW TO LOCATE REPAIR PARTS.
a. When National Stock Number or Part Number is NOT Known.
(1) First. Using the table of contents, determine the assembly group 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 note the item number.
(4) Fourth. Refer to the Repair Parts List for the figure to find the part number for the item number noted on the
figure.
(5) Fifth. Refer to the Part Number Index to find the NSN, if assigned.
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