mediately following the item to be assembled.
b. The following publications pertain to the
z --Nonreparable item. When unserviceable, condemn
RT-524/VRC and RT-524/VRC and its components:
and dispose at the level indicated in position 3.
TM 11-5820-401-10-4, Operator's Quick Checks for.
F --Reparable item. When uneconomically reparable,
Receiver-Transmitter, RT-246( )/VRC and
condemn and dispose at the direct support level.
H --Reparable item. When uneconomically reparable,
TM 11-5820-401-20P, Radio Sets AN/VRC-12, AN/-
condemn and dispose at the general support level.
VRC-43, AN/VRC-44, AN/VRC-45, AN/VRC-46,
D --Reparable item. When beyond lower level repair
AN/VRC-47, AN/VRC-48, AN/VRC-49, AN/-
capability, return to depot. Condemnation and
VRC-54, AN/VRC-55; Receivers-Transmitters, Ra-
disposal not authorized below depot level.
dio, RT-246/VRC and, AN/246A/VRC, RT-524/-
L --Reparable item. Repair, condemnation, and dis-
VRC and RT-524A/VRC; Receivers, Radio, R-442/-
posal not authorized below depot/specialized
VRC and R-442A/VRC; Mountings, HT-1029/VRC
repair activity level.
and MT-1898/VRC; Control Frequency Selector,
A --Item requires special handling or condemnation
C-2742/VRC and Control Radio Set, C-2299/VRC.
procedures because of specific reasons (i.e., pre-
TM 11-5820-401-34-2, Radio Sets, AN/VRC-12, AN/-
cious metal content, high dollar value, critical
VRC-43, AN/VRC-44, AN/VRC-46, AN/VRC-47,
material or hazardous material). Refer to appro-
AN/VRC-48, AN/VRC-49 and Receiver-Transmit-
priate manuals/directives for specific instructions.
ters, Radio, RT-246/VRC and RT-246A/VRC and
c. National Stock Number. Indicates the National stock
RT-524/VRC and RT-524A/VRC.
number assigned to the item and will be used for requisi-
c. National stock numbers (NSN's) that are missing
from P source coded items have been applied for and will
d. Federal Supply Code for Manufacturer (FSCM).
be added to this TM by future change/revision when they
The FSCM is a 5-digit numeric code listed in SB
are entered in the Army Master Data File (AMDF). Until
708-41/42 which is used to identify the manufacturer,
the NSN's are established and published, submit excep-
distributor, or Government agency, etc.
tion requisitions to: Commander, US Army Communica-
e. Part Number. Indicates the primary number used by
tions-Electronics Command and Fort Monmouth,
the manufacturer (individual, company, firm, corpora-
ATTN: DRSEL-MM, Fort Monmouth, NJ 07703 for the
tion, or Government activity), which controls the design
part required to support your equipment.
and characteristics of the item by means of its engineering
5. How to Locate Repair Parts
drawings, specifications, standards, and inspection re-
a. When National stock number or part number is
quirements to identify an item or range of items.
(1) First. Using the table of contents, determine the
When a stock numbered item is requisitioned,
fictional group within which the item belongs. This is
the repair part received may have a different part
necessary since illustrations are prepared for functional
number than the part being replaced.
groups and listings are divided into the same groups.
f. Description. Indicates the Federal item name and, if
(2) Second. Find the illustration covering the func-
required, a minimum description to identify the item.
tional group to which the item belongs.
g. Unit of Measure (UIM). Indicates the standard of
(3) Third. Identify the item on the illustration and
the basic quantity of the listed item as used in performing
note the illustration figure and item number of the item.
the actual maintenance function. This measure is ex-
(4) Fourth. Using the Repair Parts Listing, find the
pressed by a two-character alphabetical abbreviation (e.g.,
figure and item number noted on the illustration.
ea, in, pr, etc). When the unit of measure differs from the
b. When National stock number or part number is
unit of issue, the lowest unit of issue that will satisfy the
required units of measure will be requisitioned.
(1) First. Using the Index of National Stock Num-
h. Quantity Incorporated in Unit. Indicates the quantity
bers and Part Numbers, find the pertinent National stock
of the item used in the breakout shown on the illustration
number or part number. This index is in NIIN sequence
figure, which is prepared for a functional group, subfunc-
followed by a list of part numbers in alphameric sequence,
tional group, or an assembly. A "V" appearing in this col-
cross-referenced to the illustration figure number and
umn in lieu of a quantity indicates that no specific quantity
is applicable, (e.g., shims, spacers, etc).
(2) Second. After finding the figure and item num-
ber, locate the figure and item number in the repair parts
4. Special Information
a. Detailed assembly instructions for items source
c o d e d to be assembled are found in TM
11-5820-401-34-2. Assembly components are listed im-
(Next printed page is 4.1)