those published in TM 11-5840-361-30P. Only those
design and characteristics of the item by means of its
parts assigned the third position SMR maintenance code
engineering drawings, specifications, standards, and
"C" or "O" are listed in the tabular listing; therefore, there
inspection requirements to identify an item or range of
may be a break in the item number sequence. Only
illustrations containing organizational authorized items
appear in this manual.
When a stock numbered item is requisitioned,
the repair part received may have a different
part number than the part being replaced.
How to Locate Repair Parts
a. When National stock number or part number is
e. Federal Supply Code for Manufacturer (FSCM).
The FSCM is a 5-digit numeric code listed in SB-41/42
Using the table of contents,
which is used to identify the manufacturer, distributor, or
determine the functional group within which the item
Government agency, etc.
This is necessary since illustrations are
f. Description. Indicates the Federal item name
prepared for functional groups and listings are divided into
and, if required, a minimum description to identify the
the same groups.
(2) Second. Find the illustration covering the
g. Unit of Measure (U/M). Indicates the standard
functional group to which the item belongs.
of the basic quantity of the listed item as used in perform-
(3) Third. Identify the item on the illustration
ing the actual maintenance function. This measure is ex-
and note the illustration figure and item number of the
pressed by a two-character alphabetical abbreviation
(e.g., ea, in, pr, etc.). When the unit of measure differs
(4) Fourth. Using the Repair Parts Listing, find
from the unit of issue, the lowest unit of issue that will
the figure and item number noted on the illustration.
satisfy the required units of measure will be requisitioned.
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
(1) First. 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 figure
a. The following publications pertain to the AN/
number and item number.
(2) Second. After finding the figure and item
TKQ-2B and its components:
TM 11-5840-361-12, Receiving Set, Radar Data
number, locate the figure and item number in the repair
TM 11-5841-286-13, Radio Set AN/ARC-164(V)12
TM 11-5841-286-20P, Radio Set AN/ARC-164(V)12.
b. The illustrations in this manual are identical to