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 6145-00-033-2997
NSN 6685-00-134-2993
NSN 6240-00-539-9770
NSN 6105-01-062-1422
NSN 5935-01-036-4001
NSN 5998-01-040-7384
NSN 5975-01-492-8094
NSN 6685-01-111-2540
NSN 5996-01-054-3226
NSN 6105-00-847-1397
NSN 6610-01-468-4745
NSN 5925-01-282-4860