TM 11-625-486-14&P
C1
D-4. Special Information
Recoverability
Definition
codes
Usable on codes are shown in the description column.
H Reparable item. When uneconomically reparable,
Uncoded items are applicable to all models.
condemn and dispose at the general support
Identification of the usable on codes used in this
level.
publication are:
c. National Stock Number. Indicates the National
stock number assigned to the item and will be used for
Code
Used on
AMW
AN/USM-159
requisitioning purposes.
5K3
AN/USM-159A
5K4
AN/USM-159B
d. Part Number. Indicates the primary number
used by the manufacturer (individual, company, firm,
D-5. How to Locate Repair Parts
corporation, or Government activity), which controls the
design and characteristics of the item by means of its
engineering drawings, specifications, standards, and
a. When National stock number of part number is
inspection requirements to identify an item or range of
unknown.
items.
(1) First. Using the table of contents, determine
NOTE
the functional group within which the item belongs. This
is necessary since illustrations are prepared for
functional groups and listings are divided into the same
When a stock numbered item is
groups.
requisitioned, the repair part received
may have a different part number than
(2) Second. Find the illustration covering the
the part being replaced.
functional group to which the item belongs.
e. Federal Supply Code for Manufacturer (FSCM).
(3) Third. Identify the item on the illustration
The FSCM is a 5-digit numeric code listed in SB 708-42
and note the illustration figure and item number of the
which is used to identify the manufacturer, distributor, or
item.
Government agency, etc.
(4) Fourth. Using the Repair Parts Listing, find
f. Description. Indicates the Federal item name,
the figure and item number noted on the illustration.
and if required, a minimum description to identify the
item.
b. When National stock number or part number is
known.
g. Unit of Measure (U/M). Indicates the standard of
the basic quantity of the listed item as used in
(1) First. Using the Index of National Stock
performing the actual maintenance function.
This
Numbers and Part Numbers, find the pertinent National
measure is expressed by a two-character alphabetical
stock number or part number. This index is in NIIN
abbreviation (e.g., ea, in, pr, etc). When the unit of
sequence followed by a list of part numbers in
measure differs from the unit of issue, the lowest unit of
alphameric sequence, cross-referenced to the
issue that will satisfy the required units of measure will
illustration figure number and item number.
be requisitioned.
(2) Second. After finding the figure and item
h. Quantity Incorporated in Unit. Indicates the
number, locate the figure and item number in the repair
quantity of the item used in the breakout shown on the
parts list.
illustration figure, which is prepared for a functional
group, subfunctional group, or an assembly. A "V"
D-6. Abbreviations
appearing in this column in lieu of a quantity indicates
Not applicable.
that no specific quantity is applicable, (e.g., shims,
spacers, etc).
(Next printed page is D-4)
Change 1 D-2
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