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 7035-01-398-1655
NSN 5990-01-090-3232
NSN 6220-00-132-1240
NSN 6150-00-288-6245
NSN 5998-01-135-7023
NSN 6130-01-503-7428
NSN 5985-00-740-7154
NSN 6110-00-269-2696
NSN 5855-00-055-1579
NSN 5930-01-458-4215
NSN 5910-01-158-4095
NSN 5920-01-247-9196