31-216-RFX is an N Plug to BNC Jack RF coaxial adapter conforming to UG-201A/U specifications. This inter-series adapter features a 50 ohm impedance with interfaces per MIL-STD-348 for both Series 100-Plug (N) and BNC Jack connections. The adapter is constructed with a brass body and C-nut with Astro plating, beryllium copper contacts with silver plating, and PTFE insulation. It offers a dielectric withstanding voltage of 1000 VRMS minimum and operates over a temperature range of -65°C to +165°C with a durability rating of 500 mating cycles minimum. This adapter is ideal for test and measurement, telecommunications, and RF system applications requiring reliable inter-series connectivity.