Intercommunication and Public Address Systems, Airborne
FSC 5831: Intercommunication and Public Address Systems, Airborne
Federal Supply Class (FSC) 5831 covers airborne intercommunication and public address systems. These NSN items support communications aboard aircraft.
These systems carry crew and passenger communications within aircraft. They support flight crew coordination.
Common items include aircraft intercoms and crew communication equipment. Equipment is built to MIL-SPEC airworthiness standards.