The L-404 from Smiths Interconnect is a Space Qualified RF Connector with Voltage Rating 120 Vrms, DW Voltage 250 to 500 Vrms, Current Rating 3 to 15 A, Insertion Loss 0.1 to 83.7 dB, Operating Temperature -55 to 125 Degree C. More details for L-404 can be seen below.