NSN:
Manufacturer: Boeing
Part Family: Aviation
Part Type: Hardware
Functionality of Pressure Switches
Pressure switches are crucial to the performance of an aircraft. Located throughout the aircraft, some are used to determine altitude, airspeed, drag, etc. For example, if an aircraft is not flying level, pressure switches prevent the plane from side slipping. Pressure switches are also used to control many of the hydraulic systems found on aircraft. The hydraulics use pressure switches to cause the plane to turn, maneuver, and land. While landing, pressure switches senses are triggered by the weight of the airplane and take over certain flight controls like reverse thrust. Engines also rely on pressure sensors to move fuel throughout the engine. Problems can arise if the fuel system is over or under pressurized. Maintaining the correct mixture of fuel and air is what creates thrust and most basic operation of the engine relies on proper inlet pressures.
FSG: Pressure Switches are classified under FSG 59 - Electrical and Electronic Equipment Components
FSC: Pressure Switches are classified under FSC 5930 - Switches
Common Applications
Pressure switches have many uses and functions throughout an airplane. They are featured in virtually every aircraft system, appearing in flight controls and flight instruments, throughout the fuel and engine system, and even in the cabin to keep it comfortable and safe for travelers. Aircraft are inundated with these switches to make sure the plane runs smoothly and efficiently.
ASAP Aerospace is one of the leading distributors of new and obsolete parts in the aerospace and aviation industries. Pressure switches are just one of countless items we have in stock. Servicing both the commercial and government sectors, ASAP has millions of unique parts at your disposal. To learn more about the unparalleled customer service we provide, contact us today.
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