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 6220-01-260-7169
NSN 6645-01-442-2386
NSN 5945-01-524-3305
NSN 7035-01-403-2841
NSN 5999-01-492-5620
NSN 6145-01-577-7616
NSN 5999-01-204-8700
NSN 6610-01-533-0279
NSN 6105-01-375-3197
NSN 5855-01-246-4274
NSN 5935-00-473-8092
NSN 5990-01-215-5997