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 5998-01-246-2304
NSN 6610-01-316-3547
NSN 5925-00-726-3258
NSN 7035-01-307-5366
NSN 6620-01-106-3553
NSN 5920-00-725-9493
NSN 5935-00-800-1939
NSN 5950-01-333-3283
NSN 5998-00-008-5786
NSN 5925-01-097-7046
NSN 4140-01-473-9973
NSN 5935-00-468-4401