Dual Garmin G5 Recessed Mount Adapter Plate P3-90067 They are designed as a

They are designed as a replacement for the Model H20 series headsets

and lighter-than-air

MS24524-25

This ADS autopilot installation hardware kit (EDMO# 8146110202) facilities the installation of the Garmin GFC600 into Cessna 182 series aircraft per drawing number 190-01937-02 in the installation manual

Shut down in the event of Low/Hi frequency and overvoltage malfunction

Dual Garmin G5 Recessed Mount Adapter Plate P3-90067 They are designed as aThe Dual Garmin G5 Recessed Mount Adapter Plate (EDMO# AAG5 002) is an FAA PMA approved mounting option for various aircraft that requires an adapter plate bracket. This information, technical specifications, and product drawing can be derived from page 43 of the Garmin G5 Installation Manual.