The 5227754-3 from TE Connectivity AMP Connectors is a straight BNC jack with female socket, 50 Ω impedance, for panel mounting with solder cup termination.
The 5227754-2 from TE Connectivity AMP Connectors is a straight BNC jack with female socket, 50 Ω impedance, for panel mounting with solder cup termination.
The 5227754-1 from TE Connectivity AMP Connectors is a straight BNC jack with female socket, 50 Ω impedance, for panel mounting with solder cup termination.