d. Federal Supply Code for Manufacturer (FSCM).
the NSN's are established and published, submit
exception requisitions to:
Commander, US Army
The FSCM is a 5-digit numeric code listed in SB 708-
Communications-Electronics Command and Fort
41/42 which is used to identify the manufacturer,
Monmouth, ATTN: DRSEL-MM, Fort Monmouth, New
distributor, or Government agency, etc.
e. Part Number. Indicates the primary number
Jersey 07703 for the part required to support your
used by the manufacturer (individual, company, firm,
corporation, or Government activity), which controls the
5. How to Locate Repair Parts
design and characteristics of the item by means of its
a. When National stock number or part number is
engineering drawings, specifications, standards, and
inspection requirements to identify an item or range of
(1) First. Using the table of contents, determine
the functional group within which the item belongs. This
When a stock numbered item is
is necessary since illustrations are prepared for
requisitioned, the repair part received
functional groups and listings are divided into the same
may have a different part number
(2) Second. Find the illustration covering the
than the part being replaced.
f. Description. Indicates the Federal item name
functional group to which the item belongs.
(3) Third. Identify the item on the illustration
and, if required, a minimum description to identify the
and note the illustration figure and item number of the
g. Unit of Measure (U/M). Indicates the standard
(4) Fourth. Using the Repair Parts Listing, find
of the basic quantity of the listed item as used in
the figure and item number noted on the illustration.
performing the actual maintenance function.
b. When National stock number or part number is
measure is expressed by a two-character alphabetical
abbreviation (e.g., ea, in, pr, etc). When the unit of
(1) First. Using the Index of National Stock
measure differs from the unit of issue, the lowest unit of
Numbers and Part Numbers, find the pertinent National
issue that will satisfy the required units of measure will
Stock number or part number. This index is in NIIN
h. Quantity Incorporated in Unit. Indicates the
sequence followed by a list of part numbers in
alphameric sequence, cross-referenced to the illustration
quantity of the item used in the breakout shown on the
figure number and item number.
illustration figure, which is prepared for a functional
(2) Second. After finding the figure and item
group, subfunctional group, or an assembly.
number, locate the figure and item number in the repair
4. Special Information
National stock numbers (NSN's) that are missing from P
source coded items have been applied for and will be
added to this TM by future change/revision when they
are entered in the Army Master Date File (AMDF). Until
(Next printed page is 4.1)