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 5990-00-107-0835
NSN 4140-01-289-1264
NSN 5925-01-236-1108
NSN 6685-01-218-6512
NSN 5990-01-557-4793
NSN 5915-00-451-8674
NSN 5905-01-370-9689
NSN 5945-01-179-7893
NSN 5990-01-174-6851
NSN 5925-01-421-3154
NSN 5965-01-653-4923
NSN 7035-00-585-2113