5985-00-819-0036 (749099)
NSN 5985-00-819-0036 (NIIN 00-819-0036) is a waveguide adapter in Federal Supply Class 5985, Antennas, Waveguides, And Related Equipment — an item designed to establish the necessary accommodations to connect a waveguide to a coaxial line. Manufacturer part number 749099 (L3Harris Cincinnati Electronics, CAGE 80045); also referenced as UG1382FPS26 (Joint Electronics Type Designation).
Key specs: 50 input impedance in ohms; 50 output impedance in ohms; full characteristics table below. NIIN assigned January 1963; unit of issue EA (each), $348.98 gov standard price; export Schedule B 8529.10.9000.