if required, a minimum description to identify the item.
This is necessary since illustrations are prepared for
g. Unit of Measure (U/M). Indicates the standard of
functional groups and listings are divided into the same
the basic quantity of the listed item as used in performing
the actual maintenance function. This measure is
(2) Second. Find the illustration covering the
expressed by a two-character alphabetical abbreviation
functional group to which the item belongs.
(e.g., ea. in, pr, etc). When the unit of measure differs
(3) Third. Identify the item on the illustration and
from the unit of issue, the lowest unit of issue that will
note the illustration figure and item number of the item.
satisfy the required units of measure will be requisitioned.
(4) Fourth. Using the Repair Parts Listing, find the
h. Quantity incorporated in Unit Indicates the
figure and item number noted on the illustration.
quantity of the item used in the breakout shown on the
b. When National stock number or part number is
illustration figure, which is prepared for a functional
group, subfunctional group, or an assembly.
(1) First. Using the Index of National Stock Numbers
and Part Numbers, find the pertinent National stock
number or part number. This index is in NIIN sequence
The following publication pertains to the AM-3979/FRC-
followed by a list of part numbers in alphameric sequence,
93 and its components:
cross-referenced to the illustration figure number and item
TM 11-5820-532-15, Amplifier, RF AM-3979/FRC-93
How to Locate Repair Parts
(2) Second. After finding the figure and item number,
a When National stock number or part number is
locate the figure and item number in the repair parts list.
(1) First Using the table of contents, determine
the functional group within which the item belongs.