An electronic device which receives, converts and transmits ringing and/or supervisory or other messages over a communication circuit in the form of audio frequency tones. May include integral interrupters, oscillators and hybrid and filter networks. Excludes generator, ringing, static and generator, ringing, machine.
Classification: Articles designed for connection to telegraphic or telephonic apparatus or instruments or to telegraphic or telephonic networks
NSN 7035-01-317-4227
NSN 5905-01-366-4523
NSN 5950-00-869-2905
NSN 5915-01-414-6433
NSN 5996-00-836-7393
NSN 6645-01-203-9542
NSN 5985-01-252-7044
NSN 5895-00-229-4053
NSN 5975-01-646-8451
NSN 5935-01-222-6036
NSN 5920-01-270-7795
NSN 6645-00-312-2752