Uncoded items are applicable to all models. Identifi-
after the Federal Stock Classification (FSC)
cation of the usable on codes used in this publication
code (first four digits). For example, FSN
are -
6625-553-0142 and when converted is NSN
Used on
Code
AM-1881U and
BQQ
c. Description. Indicates the Federal item name
AM-3026/U
and a minimum description required to identify the
b. The following publication pertains to the
item. The last line indicates the reference number
equipment and its components:
followed by the applicable Federal Supply Code for
TM 11-6625-353-12
Operator's and Organiza-
Manufacturer (FSCM) in parentheses. The FSCM is
tional Maintenance Man-
used as an element in item identification to designate
ual: Amplifiers, Radio
manufacturer or distributor or Government agency,
Frequency AM-1881/U
etc., and is identified in SB 708-42.
and AM-3026/U.
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
a. This manual contains one cross-reference
measure is expressed by a two-character alphabeti-
index (sec V) to be used to locate a repair part when
cal abbreviation; e.g., ea, in, pr, etc., and is the basis
either the Federal stock number or reference
used to indicate quantities and allowances in
number (manufacturer's part number) is known.
subsequent columns. When the unit of measure
The first column in the index is prepared in
differs from the unit of issue, the lowest unit of issue
numerical or alphanumeric sequence in ascending
that will satisfy the required units of measure will be
order. The reference numbers (manufacturer's part
requisitioned.
numbers) are listed immediately following the last
e. Quantity Incorporated in Unit. This column
listed Federal stock number in the index of Federal
indicates the quantity of the item used in the
stock numbers.
equipment. Subsequent appearances of the same
b. When the Federal stock number or reference
item in the same assembly are indicated by the
number is known, follow the procedures given in (1)
letters "REF".
and (2) below.
f . 15-Day Organizational Maintenance Allowance.
(1) Refer to the index of Federal stock numbers
(1) The repair parts indicated by an asterisk in
the allowance column represent those authorized for
reference number. The FSN and reference number
use at the organizational category, and will be
are cross-referenced to the applicable figure and
requisitioned on an "as required" basis, until
item number or reference designation.
stockage is based on demand in accordance with AR
(2) Refer to the repair parts list (see III) and
710-2.
locate the figure number (col 7a) and item number or
(2) Major Army commanders are authorized to
reference designation (col 7b) as noted in the FSN
approve reduction in the range of support items
index.
authorized for use in units within their commands.
c. When the figure and item number or reference
Recommendations for increase in range of items
designation are known, scrutinize columns 7a and 7b
authorized for use will be forwarded to Commander,
US Army Electronics Command, ATTN: AMSEL-
located.
MA-CRA, Fort Monmouth, NJ., 07703. Any changes
d. When the FSN, reference number, figure
approved will be reflected in a revision to the RPSTL.
number, item number and reference designation are
(3) Allowance quantities are indicated in the
not known, scrutinize column 3 of the repair parts list
special tools list section for special tools, TMDE, and
other equipment.
1-6. Abbreviations
g. Illustration. This column is divided as follows:
Not applicable.
(1) Figure number. Indicates the figure number
of the illustration on which the item is shown in TM
11-6625-353-12.
Improvements
(2) Item number. Indicates the item number or
The reporting of errors, omissions, and recommenda-
reference designation used to reference the item in
tions for improving this publication by the individual
the illustration.
user is encouraged. Reports should be submitted on
1-4. Special Information
DA Form 2028 (Recommended Changes to Publica-
tions and Blank Forms) and forwarded direct to
a. Usable on codes are included in column 3.
