e. Federal Supply Code for Manufacturer (FSCM).
5. How to Locate Repair Parts
The FSCM is a 5-digit numeric code listed in SB 70842
a. When National stock number or part number is
which is used to identify the manufacturer, distributor, or
Government agency, etc.
(1) First. Using the table of contents, determine the
f. Description. Indicates the Federal item name and,
functional group within which the item belongs. This is
if required, a minimum description to identify the item.
necessary since illustrations are prepared for functional
g. Unit of Measure (U/M). Indicates the standard of
groups and listings are divided into the same groups.
the basic quantity of the listed item as used in performing
Find the illustration covering the
the actual maintenance function. This measure is
functional group to which the item belongs.
expressed by a two-character alphabetical abbreviation
(3) Third. Identify the item on the illustration and
(e.g., ea, in, pr, etc). When the unit of measure differs
note the illustration figure and item number of the item.
from the unit of issue, the lowest unit of issue that will
(4) Fourth. Using the Repair Parts Listing, find the
satisfy the required units of measure will be
figure and item number noted on the illustration.
b. When National stock number or part number is
h. Quantity Incorporated in Unit. Indicates the
quantity of the item used in the breakout shown on the
Using the Index of National Stock
illustration figure, which is prepared for a functional
Numbers and Part Numbers, find the pertinent National
group, subfunctional group, or an assembly.
stock number or part number. This index is in NIIN
sequence followed by a list of part numbers in
alphameric sequence, cross-referenced to the illustration
4. Special Information
figure number and item number.
After finding the figure and item
The following publications pertain to the AN/ARM-109
number, locate the figure and item number in the repair
and it's components:
TM 11-6625-1636-14, Test Set, Antenna Coupler
TM 11-6625-1636-20P, Test Set, Antenna Coupler
(Next printed page is 4)