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 5895-01-412-6323
NSN 2925-00-464-7892
NSN 6135-01-322-4655
NSN 5895-00-974-9586
NSN 5895-01-462-7865
NSN 5998-01-074-6385
NSN 6320-01-116-3980
NSN 2925-00-172-9264
NSN 5835-00-905-7165
NSN 5998-01-620-4904
NSN 6650-00-393-0447
NSN 6105-01-555-7874