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 5985-01-661-1958
NSN 5975-01-452-5895
NSN 5905-00-724-8042
NSN 5996-00-587-7311
NSN 6150-00-949-1984
NSN 5998-01-357-6348
NSN 5935-01-382-1001
NSN 6685-00-815-3342
NSN 5905-01-257-7432
NSN 2925-01-525-8212
NSN 6620-00-140-8644
NSN 5910-00-342-4338