Includes railroad gates; flasher lights; block signals
Includes oxygen pressure signals and warning devices; such as air pressure warning signals, aircraft crew warning signals, altitude warning signals, alarm controls, audible landing gear alarms
Includes anti-intrusion alarm systems; foghorns; gongs; chimes; bells; burglar alarm systems; fire alarms; police alarm systems; sounding devices; manual gas alarms; landing wands; security inspection systems
NSN 5305-00-941-3538
NSN 5305-01-538-5896
NSN 4710-00-278-8479
NSN 5995-01-593-1989
NSN 4810-00-176-1379
NSN 6220-01-338-9045
NSN 6550-01-497-9971
NSN 5998-01-013-8093
NSN 5841-00-163-6002
NSN 5995-01-557-8205
NSN 4320-01-434-5602
NSN 4820-00-036-0219
NSN 5310-00-186-0967
NSN 4730-00-935-1613
NSN 5355-00-990-3173
NSN 5950-01-484-1998
NSN 5315-01-311-2154
NSN 7110-01-447-8227
NSN 2540-01-474-6277
NSN 2540-01-193-6783
NSN 3020-00-731-4427
NSN 5306-01-599-4556
NSN 1680-00-862-8496
NSN 6150-01-652-6069