TM 5-3610-258-24P
b. PART NUMBER INDEX. Part numbers in this index are listed in ascending alphanumeric sequence (i. e.,
vertical arrangement of letter and number combinations which place 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) FSCM Column. The Federal Supply Code Manufacturer (FSCM) 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 FSCM columns to the left.
(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 the adjacent figure number column.
5. SPECIAL INFORMATION. Use the following subparagraphs as applicable:
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 5-3610-258-14
Topographic Support System, Lithographic Copying
Camera
LO 5-3610-258-12
Lubrication Order, Topographic Support System,
Lithographic Copying Camera.
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.
6