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 5910-01-026-0855
NSN 6645-01-400-1383
NSN 6145-01-264-6037
NSN 5985-01-277-6080
NSN 6620-00-134-1593
NSN 5960-01-513-3230
NSN 5998-01-057-4023
NSN 5998-01-453-4752
NSN 4140-00-575-6586
NSN 5835-00-059-5854
NSN 6645-01-289-0376
NSN 5996-01-299-7792