b. The following publication pertains to the
used as an element in item identification to designate
equipment and its components:
manufacturer or distributor or Government agency,
etc., and is identified in SB 708-42.
TM 11-5091
Maintenance Instructions: Signal
d. Unit of Measure (U/M). Indicates the standard
or basic quantity by which the listed item is used in
performing the actual maintenance function. This
TS-403/U, TS-403A/U, and TS-
measure is expressed by a two-character alphabeti-
403B/U.
cal abbreviation; e.g., ea, in, pr, etc., and is the basis
used to indicate quantities and allowances in
1-5. Location of
Repair Parts
subsequent columns. When the unit of measure
differs from the unit of issue, the lowest unit of issue
a. This manual contains one cross-reference
that will satisfy the required units of measure will be
index (sec V) to be used to locate a repair part when
requisitioned.
either the Federal stock number or reference
e. Quantity Incorporated in Unit. This column
number (manufacturer's part number) is known.
indicates the quantity of the item used in the
The first column in the index is prepared in
equipment. Subsequent appearances of the same
numerical or alphanumeric sequence in ascending
item in the same assembly are indicated by the
order. The reference numbers (manufacturer's part
letters "REF".
numbers) are listed immediately following the last
listed Federal stock number in the index of Federal
f. 15-Day Organizational Maintenance Allowance.
stock numbers.
(1) The repair parts indicated by an asterisk in
the allowance column represent those authorized for
b. When the Federal stock number or reference
use at the organizational category, and will be
number is known, follow the procedures given in (1)
requisitioned on an "as required" basis, until
and (2) below.
stockage is based on demand in accordance with AR
(1) Refer to the index of Federal stock numbers
710-2.
(sec V) and locate the Federal stock number or
(2) Major Army commanders are authorized to
reference number. The FSN and reference number
are cross-referenced to the applicable figure and
approve reduction in the range of support items
item number or reference designation.
authorized for use in units within their commands.
(2) Refer to the repair parts list (sec III) and
Recommendations for increase in range of items
locate the figure number (col 7a) and item number or
authorized for use will be forwarded to Commander,
reference designation (col 7b) as noted in the FSN
US Army Electronics Command, ATTN: AMSEL-
index.
MA-DM, Fort Monmouth, N.J., 07703. Any changes
c. When the figure and item number or reference
approved will be reflected in a revision to the RPSTL.
designation are known, scrutinize columns 7a and 7b
(3) Allowance quantities are indicated in the
of the repair parts list (sec III) until the item is
special tools list section for special tools, TMDE, and
located.
other equipment.
g. Illustration. This column is divided as follows:
d. When the FSN, reference number, figure
(1) Figure number. Indicates the figure number
number, item number and reference designation are
of the illustration on which the item is shown in TM
not known, scrutinize column 3 of the repair parts list
11-5091.
(see III), which is
arranged in
alphabetical order.
(2) Item number. Indicates the item number or
reference designation used to reference the item in
the illustration.
Not applicable.
a. Usable on codes are included in column 3.
1-7. Reporting of Equipment Publication
Uncoded items are applicable to all models. Identifi-
Improvements
cation of the usable on codes used in this publication
The reporting of errors, omissions, and recommenda-
are -
tions for improving this publication by the individual
Code
Used on
user is encouraged. Reports should be submitted on
AF9
AN/URM-61
DA Form 2028 (Recommended Changes to Publica-
AGA
AN/URM-61A
tions and Blank Forms) and forwarded direct to
B30
TS-403/U
Commander, US Army Electronics Command,
B31
TS-403A/U
ATTN: AMSEL-MA-DM, Fort Monmouth, N.J.,
TS-403A/U
B32
07703.
TS-403B/U
B33
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