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 2925-01-314-4612
NSN 5945-00-110-4548
NSN 6105-01-362-8063
NSN 5910-01-593-3960
NSN 5920-00-180-4278
NSN 6130-00-146-1525
NSN 5985-00-156-9287
NSN 6105-00-353-8153
NSN 5895-01-209-6678
NSN 5996-01-462-5332
NSN 5990-00-521-2980
NSN 5990-00-450-9872