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Figure 8-5.—An example of a NAVSUP Form 1114.
Circuit Symbol
Circuit symbols are used for electronic equipment
in the same way that part numbers and drawing numbers
are used for other equipment. Most circuit symbol
numbers are cross-referenced in your COSAL to an
NSN for the required part.
Major Component
A major component is an item that is supported by
an APL but that is used in a larger unit, such as an
equipment. For example, a meat slicer in a general mess
is an equipment that is supported by an APL and contains
two components, a drive motor and the starter motor,
both supported by different APLs than the meat slicer.
CLASSIFICATION SYSTEM
The Federal Catalog System encompasses the
naming, description, classification, and numbering of all
items carried under centralized inventory control by the
Department of Defense and the civil agencies of the
federal government as well as the publication of related
identification data. Only one identification may be used
for each item for all supply functions from purchase to
final disposal.
The federal supply classification (FSC) number is
designed to permit the classification of all items of
supply used by the federal government. Each item of
supply has only one FSC number. The FSC number
consists of four digits. The first two digits of the FSC
number give the federal supply group that covers abroad
category of material. The second two digits give the
federal supply class within the broader group to which
a specific type of material belongs. The federal supply
groups and classes are defined in DLA Publication H-2.
Some federal supply groups and related classes are as
follows:
GROUP
20
30
40
51
CLASS
2040
3030
4010
5110
TITLE
Ship and Marine Equipment
Mechanical Power Transmission
Equipment
Rope, Cable, Chain
Tools
Marine Hardware and Hull Items
Belting, Drive Belts, and Accessories
Wire Rope, Steel
Hand Tools, Edged, Nonpowered
TYPES OF CATALOGS
Material identification does not end with the
assignment of a stock number. Your customers of the
supply system must be provided with some means of
identifying their needs to a stock number that has been
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