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 6320-01-506-9439
NSN 5930-01-407-4286
NSN 6110-01-381-1269
NSN 6650-01-381-2972
NSN 5990-01-472-2447
NSN 6610-01-502-0480
NSN 5935-01-515-8668
NSN 2925-01-167-6500
NSN 5925-00-109-2232
NSN 6150-01-381-6293
NSN 6150-01-115-8426
NSN 5910-00-763-7454