The 031-70535-12G is a 75 ohm BNC right-angle bulkhead jack PCB mount connector designed to MIL-STD-348 specifications. It features a frequency range from DC to 12 GHz and maintains 75 ohm impedance throughout its operating range. The connector is constructed with brass body with matte tin plating, PTFE insulators, beryllium copper contacts with gold plating, and includes a 1/2-28 UNEF-2A thread interface. It operates reliably across a temperature range of -65°C to +165°C with a minimum durability rating of 500 mating cycles. This connector is ideal for RF/microwave applications, test equipment, and high-frequency signal transmission systems requiring robust, reliable coaxial connections.