MIL-DTL-21617B
6. NOTES
(This section contains information of a general or explanatory nature that may be helpful, but is not
mandatory.)
6.1 Intended use. The connectors covered by this specification are intended for military use because
they must be able to operate satisfactory under random vibration, 100 g's of shock, and temperatures
ranging from -55 to +125 degrees Celsius. Commercial electronic components are not designed to
withstand such extreme and sudden environmental conditions and would experience catastrophic failure.
Connectors specified in this specification use cadmium plating and are not suitable for space applications.
6.1.1 Type P, plug. Plugs are intended for use at the end of a cable mounted on panel of a unit plug-in
to be mated with a panel mounted receptacle.
6.1.2 Type J, receptacle. Receptacles are intended for fixed panel mounting of unit and for use with
conduit to eliminate the necessity of a conduit box.
6.1.3 Type JS, pressurized receptacle. Pressurized receptacles are intended for use on pressurized
devices, and their performance requirements are determined by the particular application. They should
maintain the degree of pressurization required by the equipment specification and be suitable for mating
with plugs conforming to the requirements of this specification.
6.1.4 Determining wire size to be used with contact. It is intended that the wire soldered to each
connector contact should be of the AWG size (or smaller diameter) corresponding to the contact size
number. For example, it is intended that an AWG size 20 wire be soldered to at least a size 20 contact.
6.2 Acquisition requirements. Acquisition documents must specify the following:
a. Title, number, and date of this specification.
b. First article testing requirements (see 3.2)
c. Packaging requirements (see 5.1).
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