TM 11-6625-435-24P-1
demnation and disposal not authorized
4. Special Information
below depot level.
The following publications pertain to the SG-
c. National Stock Number. Indicates the
366A/U and its components:
National stock number assigned to the item and
will be used for requisitioning purposes.
366A/U
d. Part Number. Indicates the primary
number used by the manufacturer (individual,
366A/U
company, firm, corporation, or Government ac-
tivity), which controls the design and charac-
5. How to locate Repair Parts
teristics of the item by means of its engineering
a. When National stock number or part
drawings, specifications standards, and inspec-
number is unknown.
tion requirements, to identify an item or range
(1) First. Using the table of contents, de-
of items.
termine the functional group within which the
NOTE
repair part belongs. This is necessary since il-
lustrations are prepared for functional groups
When a stock-numbered item is req-
and listings are divided into the same groups.
uisitioned, the repair part received
(2) Second. Find the illustration covering
may have a different part number than
the functional group to which the repair part
the part being replaced.
belongs.
e. Federal Supply Code for Manufacturer
(3) Third. Identify the repair part on the
(FSCM). The FSCM is a 5-digit numeric code
illustration and note the illustration figure and
listed in SB 708-42 which is used to identify the
item number of the repair part.
manufacturer, distributor, or Government
(4) Fourth. Using the Repair Parts Listing,
agency, etc.
find the figure and item number noted on the
f. Description. Indicates the Federal item
illustration.
name and, if required, a minimum description to
b. When National stock number or part
identify the item.
number is known.
g. Unit of Measure (U/M). Indicates the
(1) First. Using the Index of National Stock
standard of the basic quantity of the listed item
Numbers and Part Numbers, find the pertinent
as used in performing the actual maintenance
National stock number or part number. This
function. This measure is expressed by a two-
index is in ascending NSN sequence followed by
character alphabetical abbreviation (e.g., ea, in,
a list of part numbers in ascending al-
pr, etc.). When the unit of measure differs from
phanumeric sequence, cross-referenced to the
the unit of issue, the lowest unit of issue that
illustration figure number and item number.
will satisfy the required units of measure will be
(2) Second. After finding the figure and
requisitioned.
item number, locate the figure and item number
h. Quantity Incorporated in Unit. Indicates
in the repair parts list.
the quantity of the item used in the breakout
shown on the illustration figure, which is pre-
6. Abbreviations
pared for a functional group, subfunctional
Not applicable.
group, or an assembly.
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