TM 5-4520-244-24P
(1) 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.
(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 CAGEC columns to the left.
(4) FIG. column. This column lists the number of the figure where the item is identified/located in
Sections II and Ill.
(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 Ill.
(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 publication listed below pertains to the Heater, 400,000
BTU/HR and its components.
Publication
Short Title
TM 5-4520–244–24P
Heater, 400,000 BTU/HR
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.
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