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 6645-00-450-2209
NSN 6320-01-340-4112
NSN 5998-01-014-7048
NSN 5975-01-630-2278
NSN 5965-01-489-5508
NSN 5975-01-395-2956
NSN 5920-01-181-5248
NSN 6240-00-070-6615
NSN 6150-00-686-8322
NSN 6645-00-085-7603
NSN 6610-01-237-5815
NSN 5930-00-975-7584