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 5920-00-317-2219
NSN 6320-00-646-3311
NSN 6240-01-548-4593
NSN 5935-01-023-8282
NSN 6135-01-521-7693
NSN 5990-01-377-7762
NSN 5945-00-597-2049
NSN 6320-01-029-4220
NSN 6685-00-606-4662
NSN 5998-00-020-6961
NSN 5990-01-188-7309
NSN 5975-00-527-9656