e. Federal Supply Code for Manufacturer (FSCM). The FSCM is a five-digit numeric code listed in SB
708-42 which is used to identify the manufacturer, distributor, or government agency, etc.
f. Description. Indicates the Federal item name and, if required, a minimum description to identify the
g. Unit of Measure (U/M). Indicates the standard of the basic quantity of the listed item as used in
performing the actual maintenance function. This measure is expressed by a two-character alphabetical
abbreviation (e.g., ea, in, pr, etc.). When the unit of measure differs from the unit of issue, the lowest unit of
issue that will satisfy the required units of measure will be requisitioned.
h. Quantity Incorporated in Unit. Indicates the quantity of the item used in the breakout shown on the
illustration figure, which is prepared for a functional group, subfunctional group, or an assembly.
C-4. Special Information. Not applicable.
C-5. How to Locate Repair Parts.
a. When National Stock Number or Part Number Is Unknown.
(1) First. Using the table of contents, determine 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 groups.
(2) Second. Find the illustration covering the functional group to which the item belongs.
(3) Third. Identify the item on the illustration and note the illustration figure and item number of the item.
(4) Fourth. Using the repair parts list, find the figure and item number noted on the illustration.
b. When National Stock Number or Part Number is Known.
(1) First. Using the index of NSNs and Part Numbers, find the pertinent national stock number or part
number. This index is in NIIN sequence followed by a list of part numbers in alphamerical sequence, cross-
referenced to the illustration figure number and item number.