The 1410189-3 from TE Connectivity AMP Connectors is a 56-position black male blade plug for board edge mounting, through hole, right angle, VITA 46 half, left end.
The 1410189-1 from TE Connectivity Aerospace, Defense and Marine is a black 56-position MultiGig RT plug with male blades for right-angle through-hole board-edge mounting, VITA 46 half left end (T2, 7RW, ET2).
The 1410189-4 from TE Connectivity Aerospace, Defense and Marine is a black 56-position MultiGig RT plug with male blades for right-angle through-hole board-edge mounting, VITA 46 half left end (T2, 7RW, ET2).