5985-01-039-1969 (20808545-4)
NSN 5985-01-039-1969 (NIIN 01-039-1969) is a radio frequency reflect isolator in Federal Supply Class 5985, Antennas, Waveguides, And Related Equipment — a device which allows radio frequency energy to pass in one direction with very little power loss. Manufacturer part number 20808545-4 (General Dynamics Advanced, CAGE 07397); also referenced as T-4S63T-20 (Teledyne Defense Electronics, LLC); 2JC-4080-7 (Crane Electronics, Inc.).
Key specs: 3.985 to 8.015 gigahertz frequency range; full characteristics table below. NIIN assigned April 1977; DEMIL Q (Commerce Control List); unit of issue EA (each), $868.46 gov standard price; export Schedule B 8529.10.9000; ships at 0.219 lb / 0.0059 cu ft.