A mouth operated, self-contained horn used as a warning signal. It is usually cone shaped and has a simple reed type mouthpiece. It may have adjustable tone feature.
NSN 6135-00-935-5241
NSN 5905-01-198-6209
NSN 6650-01-086-1270
NSN 5996-01-247-4407
NSN 6610-01-022-2474
NSN 5950-00-481-8020
NSN 5965-01-425-1347
NSN 5925-01-585-3049
NSN 5985-00-629-9305
NSN 7035-01-364-0286
NSN 6610-00-854-5044
NSN 6650-01-207-0829