tional authorized items appear in this manual.
have a different part number than the part
5. How to Locate Repair Parts
e. Federal Supply Code for Manufacturer (FSCM).
The FSCM is a 5-digit numeric code listed in SB
a. When National stock number or part number is
708-42 which is used to identify the manufacturer,
distributor, or Government agency, etc.
(1) First. Using the table of contents, determine
f. Description. Indicates the Federal item name
the functional group within which the repair part
and, if required, a minimum description to identify
belongs. This is necessary since illustrations are
prepared for functional groups and listings are
g. Unit of Measure (U/M). Indicates the standard of
divided into the same groups.
the basic quantity of the listed item as used in
(2) Second. Find the illustration covering the
performing the actual maintenance function. This
functional group to which the repair part belongs.
measure is expressed by a two-character alphabeti-
(3) Third. Identify the repair part on the
cal abbreviation (e.g., ea, in, pr, etc.). When the unit of
illustration and note the illustration figure and item
measure differs from the unit of issue, the lowest unit
number of the repair part.
of issue that will satisfy the required units of
(4) Fourth. Using the Repair Parts Listing, find
measure will be requisitioned.
the figure and item number noted on the illustration.
h. Quantity Incorporated in Unit. Indicates the
b. When National stock number or part number is
quantity of the item used in the breakout shown on
the illustration figure, which is prepared for a
(1) First. Using the Index of National Stock
functional group, subfunctional group, or an assem-
Numbers and Part Numbers, find the pertinent
National stock number or part number. This index is
in ascending NIIN sequence followed by a list of part
4. Special Information
numbers in ascending alphameric sequence, cross-
a. The following publication pertains to the
referenced to the illustration figure number and
AN/ARM-63 and its components: TM 11-6625-556-12,
Test Set, Radio AN/ARM-63
(2) Second. After finding the figure and item
b. The illustrations in this manual are identical to
number, locate the figure and item number in the
those published in TM 11-6625-556-40P. Only those
repair parts list.
parts assigned the third position SMR maintenance
code "C" or "O" are listed in the tabular listing;
therefore, there may be a break in item number
sequence. Only illustrations containing organiza-
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