Figure 2-15.-Typical shock mounts.
Electrical connectors provide detachable
Shock absorbing materials commonly used in
coupling between major components of electrical
shock mounts are usually electrical insulators.
and electronic equipment. These connectors
These types of shock mounts are mounted so they
are built to withstand the extreme operating
have an electrical bond to the aircraft structure,
preventing static electricity buildup. (See fig. 2-15,
conditions imposed by airborne service. They
view A.) You need to inspect the bonding strap
must make and hold electrical contact without
excessive voltage drop despite extreme vibration,
when inspecting the shock mounts. Replace or
rapid shifts in temperature, and changes in
repair defective or ineffective bonding straps.
altitude.
Connectors consist of two portions--the fixed
ELECTRICAL CONNECTORS
portion, called the receptacle, and the movable
portion, called the plug. Plug assemblies may be
straight or angled (usually 90 degrees). Receptacle
In this section, the word connector is used in
assemblies may be of the wall-mounted, box-
a general sense. It applies to connectors with AN
mounted, or integral-mounted types. MS numbers
numbers and those with MS numbers. AN
a n d letters identify the type, style, and
numbers were formerly used for all supply items
arrangement of a connector.
cataloged jointly by the Army and Navy. Many
Connectors vary widely in design and appli-
items, especially those of older design, continue
cation. A coupling nut or ring holds the two
to carry the AN designator; although the supply
assemblies firmly together. The assembly consists
system is shifting over to military specification
of an aluminum shell containing an insulating
(MS) numbers.
