The Amphenol 919-386P-51S is a robust RF connector plug engineered for reliable high-frequency signal transmission. Constructed with a brass housing and nickel plating, a beryllium copper body with gold plating, and PTFE insulators, this connector is designed for use with RG-174/U, 188A/U, and 316/U cable types. It boasts an impedance of 50 ohms and a frequency range of 0-6 GHz, making it suitable for a wide range of applications including telecommunications, instrumentation, and aerospace. The connector's durability is ensured through a 500-cycle minimum rating, and it operates effectively within a temperature range of -40°C to +85°C. Its crimped ferrule and contact pin ensure a secure and stable connection.