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 4140-01-056-9314
NSN 5935-00-152-7921
NSN 5910-00-694-5361
NSN 6645-01-649-5069
NSN 5975-00-178-1584
NSN 5930-01-238-8757
NSN 5965-00-612-0072
NSN 5905-01-359-9039
NSN 5999-00-805-2150
NSN 6320-01-304-3639
NSN 6145-01-310-7114
NSN 5930-01-141-7740