tification of the usable on codes used in this
condemn and dispose at organizational
Reparable item. When uneconomically
reparable, condemn and dispose at the
direct support level.
c. National Stock Number. Indicates the
National stock number assigned to the item and
will be used for requisitioning purposes.
d Part Number. Indicates the primary
number used by the manufacturer (individual,
b. The following publication pertains to the
company, firm, corporation, or Government
activity), which controls the design and
4765/GRC159(V) and MP-1 and their
characteristics of the item by means of its
engineering drawings, specifications, standards,
TM 11-5820-554-34-4, Power Supply PP-
and inspection requirements to identify an item
3990/FRC-93 (Collins PM-2), PP-4151
or range of items.
/FRC-93 (Collins 516F-2), PP-4765/GRC-
159(V) (Collins 516E-2)and 12 Volt Input
When a stock numbered item is
requisitioned, the repair part received
5. How to Locate Repair Parts
may have a different part number than
a. When National stock number or part
the part being replaced.
number is unknown.
e. Federal Supply Code for Manufacturer
(1) First. Using the table of contents,
(FSCM). The FSCM is a S-digit numeric code
determine the functional group within which the
listed in SB 708-41/42 which is used to identify
This is necessary since
the manufacturer, distributor, or Government
illustrations are prepared for functional groups
and listings are divided into the same groups.
f. Description. Indicates the Federal item
(2) Second. Find the illustration
name and, if required, a minimum description to
covering the functional group to which the item
identify the item.
g. Unit of Measure (U/M). Indicates the
(3) Third Identify the item on the
standard of the basic quantity of the listed item
illustration and note the illustration figure and
as used in performing the actual maintenance
item number of the item.
function. This measure is expressed by a two-
(4) Fourth. Using the Repair Parts
character alphabetical abbreviation (e.g., ea, in,
Listing, find the figure and item number noted
pr, etc.). When the unit of measure differs from
on the illustration.
the unit of issue, the lowest unit of issue that
b. When National stock number or part
will satisfy the required units of measure will be
number is known.
(1) First. Using the Index of National
h. Quantity Incorporated in Unit. Indicates
Stock Numbers and Part Numbers find the
the quantity of the item used in the breakout
pertinent National stock number or part number
shown on the illustration figure, which is
This index is in NIIN sequence followed by a
prepared for a functional group, subfunctional
list of part Numbers in alphameric sequence,
group, or an assembly. A "V" appearing in this
cross-referenced to the illustration figure
column in lieu of a quantity indicates that no
number and item number
specific quantity is applicable, (e.g., shims,
(2) Second. After finding the figure and
item number locate the figure and item number
in the repair parts list.
4. Special Information
6. Abbrevlatlons :
a. Usable on codes are shown in the
Uncoded items are
(Next printed page is 4)