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 6320-01-571-8974
NSN 5985-01-424-0531
NSN 5996-01-449-0666
NSN 5998-01-480-4645
NSN 5965-01-153-1965
NSN 6130-00-185-4522
NSN 5950-00-228-0818
NSN 6650-00-629-8027
NSN 6610-00-840-6187
NSN 5920-01-083-3749
NSN 6650-01-168-1659
NSN 6320-00-098-2858