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 5935-00-800-1939
NSN 6150-01-397-7796
NSN 5895-01-245-5315
NSN 5925-01-012-3624
NSN 5950-00-648-1625
NSN 5985-00-324-7526
NSN 5960-01-550-2782
NSN 6110-00-895-6034
NSN 5996-00-626-3766
NSN 6685-00-594-4796
NSN 5915-01-089-8809
NSN 4140-00-812-6330