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TM 9-4120-389-24P
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.
5. SPECIAL INFORMATION.
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.
b. ASSOCIATED PUBLICATIONS. The publications listed below pertain to the Air Conditioner and its
components.
Publication
Short Title
TM 5-4120-389-14
Air Conditioner 36,000 BTU Model 3864
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 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.
b. When National Stock Number or Part Number is Known.
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