50Ω Impedance, Type N Series Straight Male RF Coaxial Plug Connector, UG-261/U Specification Standard, Silver-Plated Brass Body, Gold-Plated Center Pin Contact, -65°C to +165°C Extended Aerospace Operational Window | High-reliability radio frequency coaxial termination connector manufactured by Amphenol, engineered with a threaded coupling mechanism and captive internal center pin tracking, explicitly designed to isolate high-frequency electromagnetic interference (EMI) paths and route low-attenuation radar or telemetry transmission lines through extreme environments | Industry Exact Equivalents: Amphenol 74868-UG261/U, UG-261/U, Amphenol 074868-UG261/U | Industry Functional Cross-References: Delta Electronics 1101-000N000, Kings Electronics KC-59-26, Radiall R161004000 | Military Specification National Stock Number (NSN): 5935-00-502-3971