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 6610-01-562-7178
NSN 6110-01-277-8178
NSN 5915-01-040-1781
NSN 6105-00-445-1266
NSN 5895-01-587-1321
NSN 6145-00-971-8284
NSN 6135-00-850-3177
NSN 5945-01-137-1512
NSN 5915-00-702-7972
NSN 5915-01-418-1843
NSN 6135-01-398-5922
NSN 6130-01-296-6347