MIL-DTL-24784/18B (SH)
3.6.2.4 System description. If the equipment operates as part of a system, a brief system
description shall be included, with reference to any system manuals (see MIL-DTL-24784/19).
This shall be a nontechnical orientation of the subject equipment with other equipment in the
system. The system description shall discuss only those components of the system necessary to
introduce the subject equipment's system-contributing capabilities. An illustration shall be used to
clarify the relationships. Figure 18-3 is a typical equipment/system integration illustration.
3.6.2.5 Model differences. The differences between models of the equipment shall be briefly
delineated in this portion. Descriptions of major physical differences shall be supported by
reference to appropriate illustrations. These major differences shall also be reflected in the
operating instructions, maintenance instructions, and parts list. Multiple model differences that
involve a number of equipment sections or subsections shall be presented in tabular form. The
method for handling differences between models in other portions of the manual shall be defined
here.
3.6.2.6 Equipment illustration. Equipment illustrations shall be in accordance with
MIL-DTL-24784.
3.6.2.7 Reference data. Reference data equivalent to the following shall be included in tabular
form:
a. Official nameplate designations and nomenclature of all equipment [type, model, and
component identification number (CID)], major units, and support equipment. This list shall
include common names and quantities required per unit, and Repairable Identification Code
(RIC), if available.
b. Detailed operating characteristics, and significant equipment capabilities and limitations such
as: pounds of thrust, knots, turning radius, minimum and maximum ranges, degree of
coverage, resolution, accuracy, wattages, voltages, horsepower, gallons per minute.
c. Power input requirements and other externally supplied inputs (such as data and control
signals, pressurized air, and as data and control signals, pressurized air, and coolant water)
shall be listed, along with identity of the source of each, such as: ships supply, specific
associated equipment, gryocompass, power requirements, horsepower, pressure, capability,
modes of operation, power output, frequency, pulse characteristics, sensitivity, selectivity,
including tolerances, where applicable.
d. Environmental characteristics, such as: ambient temperatures, heat dissipation per unit,
humidity limits, coolants (air flow in cubic feet per minute, water or oil in gallons per minute
per unit, chilled and demineralized seawater).
3.6.2.8 Equipment and accessories required. A tabular listing of all equipment required shall be
included. The equipment and its units, and accessories (such as hydraulic oil lines, waveguide,
special cables, special tools, test equipment, miscellaneous parts, and Government furnished
items) that form a part of, or are supplied with, the equipment shall be listed. The table shall
include the following:
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