HN PLUG UG59B/U 50Ω Impedance, Type HN Series Straight Male RF Coaxial Plug Connector, UG-59B/U Specification Standard, Silver-Plated Brass Body, Gold-Plated Center Pin Contact, -65°C to +165°C Extended Aerospace Operational Window | High-voltage radio frequency coaxial termination connector manufactured by Amphenol, engineered with a heavy-duty threaded coupling mechanism and premium high-dielectric copolymer insulation, explicitly designed to isolate high-frequency electromagnetic interference (EMI) paths and safely route low-attenuation high-voltage radar or telemetry transmission lines through extreme environmental conditions | Industry Exact Equivalents: Amphenol 82-804, UG-59B/U, Amphenol 082-804-UG59B/U | Industry Functional Cross-References: Kings Electronics KC-19-14, Radiall R176007000, Delta Electronics 1501-000N000 | Military Specification National Stock Number (NSN): 5935-00-234-8818