parts assigned the third position SMR maintenance code
e. Federal Supply Code for Manufacturer (FSCM).
"C" or "O" are listed in the tabular listing; therefore,
The FSCM is a 5-digit numeric code listed in SB 708-42
there may be a break in the item number sequence. On-
which is used to identify the manufacturer, distributor,
ly illustrations containing organizational authorized
or Government agency, etc.
f. Description. Indicates the Federal item name and,
items appear in this manual.
if required, a minimum description to identify the item.
5. How to Locate Repair Parts
g. Unit of Measure (U/M). Indicates the standard of
the basic quantity of the listed item as used in perform-
a. When National stock number or part number is
ing the actual maintenance function. This measure is
unknown.
expressed by a two-character alphabetical abbreviation
(1) First. Using the table of contents, determine the
(e.g., ea, in, pr, etc.). When the unit of measure differs
functional group within which the item belongs. This is
from the unit of issue, the lowest unit of issue that will
necessary since illustrations are prepared for functional
satisfy the required units of measure will be requisi-
groups and listings are divided into the same groups.
tioned.
(2) Second. Find the illustration covering the func-
h. Quantity Incorporated in Unit. Indicates the
tional group to which the item belongs.
quantity of the item used in the breakout shown on the
(3) Third. Identify the item on the illustration and
illustration figure, which is prepared for a functional
note the illustration figure and item number of the item.
group, subfunctional group, or an assembly.
(4) Fourth. Using the Repair Parts Listing, find the
figure and item number noted on the illustration.
4. Special Information
b. When National stock number or part number is
a. Usable on codes are shown in the description col-
known.
umn. Uncoded items are applicable to all models. Iden-
(1) First. Using the Index of National Stock Num-
tification of the usable on codes used in this publication
bers and Part Numbers, find the pertinent National
are:
stock number or part number. This index is in NIIN se-
Code
Used on
quence followed by a list of part numbers in alphameric
4AK
TS-1588/AIC
sequence, cross-referenced to the illustration figure
AU9
TS-1588A/AIC
number and item number.
(2) Second. After finding the figure and item
b. The following publication pertains to the TS-
number, locate the figure and item number in the repair
1588/AIC and TS-1588A/AIC and its components:
parts list.
TM 11-6625-441-12, Test Sets, Radio TS-1588/AIC and
TS-1588A/AIC
6. Abbreviations
c. The illustrations in this manual are identical to
Not applicable.
those published in TM 11-6625-441-34P. Only those
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