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 5910-00-139-6728
NSN 4140-00-340-7685
NSN 6645-01-217-2888
NSN 5895-00-233-7309
NSN 5945-01-086-7594
NSN 5975-01-361-8953
NSN 6320-00-225-7013
NSN 5910-00-067-9736
NSN 6145-01-557-4906
NSN 5835-01-379-1407
NSN 5905-01-572-7874
NSN 5999-01-652-7276