031-216-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 and 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 a PTFE insulator for excellent electrical performance. 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 suitable for test equipment, instrumentation, and RF system interconnections requiring reliable N-to-BNC conversion.