group, subfunctional group, or an assembly.
reparable, condemn and dispose at the direct
The following publications pertain to the AN/ GRA-12and
Reparable item, When beyond lower level repair
TM 11-2651, Antenna Groups AN/GRA-4 and AN/ GRA-
capability, return to depot. Condemnation
and disposal not authorized below depot
TM 11-5985-229-12P, Mast AB-86/GRA
TM 11-5985-229-35P, Mast AB-85/GRA
c. National Stock Number.
TM 11-5985-259-14P, Reel RL-122/GRA-4
National stock number assigned to the item and will be
used for requisitioning purposes.
How to Locate Repair Parts
d. Part Number. Indicates the primary number
a. When National stock number or part number
used by the manufacturer (individual, company, firm,
corporation, or Government activity), which controls the
(1) First. Using the table of contents,
design and characteristics of the item by means of its
determine the functional group within which the item
engineering drawings, specifications, standards, and
This is necessary since illustrations are
inspection requirements to identify an item or range of
prepared for functional groups and listings are divided
into the same groups.
(2) Second. Find the illustration covering
When a stock numbered item is
the functional group to which the item belongs.
requisitioned, the repair part received
Identify the item on the
may have a different part number
illustration and note the illustration figure and item
than the part being replaced.
number of the item.
e. Federal Supply Code for Manufacturer
(4) Fourth. Using the Repair Parts Listing,
(FSCM). The FSCM is a 5-digit numeric code listed in
find the figure and item number noted on the illustration.
SB 70842 which is used to identify the manufacturer,
b. When National stock number or part number
distributor, or Government agency, etc.
Description. Indicates the Federal item
(1) First. Using the Index of National Stock
name and, if required, a minimum description to identify
Numbers and Part Numbers, find the pertinent National
stock number or part number. This index is in NIIN
g. Unit of Measure (U/M).
sequence followed by a list of part numbers in
standard of the basic quantity of the listed item as used
alphameric sequence, cross-referenced to the illustration
in performing the actual maintenance function. This
figure number and item number.
measure is expressed by a two-character alphabetical
(2) Second. After finding the figure and
abbreviation (e.g., ea, in, pr, etc). When the unit of
item number, locate the figure and item number in the
measure differs from the unit of issue, the lowest unit of
repair parts list.
issue that will satisfy the required units of measure will
h. Quantity Incorporated in Unit. Indicates-the
quantity of the item used in the breakout shown on the
illustration figure, which is prepared for a -functional
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