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 5965-00-735-9315
NSN 7035-01-652-5482
NSN 5925-00-137-1130
NSN 6150-01-107-4841
NSN 6110-01-611-9379
NSN 5996-01-523-0242
NSN 5855-00-610-4052
NSN 6135-01-483-1501
NSN 5905-01-649-7934
NSN 5950-01-227-5363
NSN 6620-00-313-9237
NSN 5920-01-394-1671