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 5996-01-210-0280
NSN 5998-01-576-9323
NSN 6610-01-062-8557
NSN 5999-01-293-0903
NSN 5935-01-322-1153
NSN 6220-00-419-4312
NSN 5910-00-271-7588
NSN 5855-00-160-2286
NSN 6110-01-367-2165
NSN 5998-01-534-2256
NSN 5905-01-420-6319
NSN 5998-01-163-3903