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 5915-01-297-2872
NSN 5996-01-135-9848
NSN 5910-01-190-5522
NSN 5935-00-009-1138
NSN 5895-01-514-8597
NSN 6110-01-221-3124
NSN 6145-00-764-2854
NSN 5895-00-170-4568
NSN 6685-00-757-7584
NSN 6110-01-063-8309
NSN 6105-01-009-3726
NSN 6145-00-487-9575