A telephone circuit consisting primarily of telephone relays and associated telephone equipment designed for use in connection with a straight-forward trunk circuit to provide straight-forward signaling facilities on a two wire basis where telephone carrier equipment is not used.
Classification: Articles designed for connection to telegraphic or telephonic apparatus or instruments or to telegraphic or telephonic networks
NSN 5945-01-091-8135
NSN 5930-01-411-4980
NSN 5930-01-130-7048
NSN 5835-00-909-8088
NSN 6145-00-678-0429
NSN 5920-00-757-1900
NSN 5996-01-299-2122
NSN 4140-01-474-6268
NSN 5920-00-199-9498
NSN 5990-00-561-3407
NSN 5998-01-206-4672
NSN 5990-01-106-3786