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 5985-01-347-7044
NSN 4140-01-371-3700
NSN 6240-01-109-4680
NSN 6645-01-045-4088
NSN 6620-00-891-8584
NSN 5895-01-071-7718
NSN 6110-01-437-6430
NSN 5999-01-537-6512
NSN 5930-01-517-9153
NSN 6610-01-060-7626
NSN 5930-01-457-9550
NSN 5996-00-619-3378