5820-00-964-2355 (6553-602B1)
NSN 5820-00-964-2355 (NIIN 00-964-2355) is a tuned cavity in Federal Supply Class 5820, Radio And Television Communication Equipment, Except Airborne — an inclosure, with a conductive inner wall, whose resonant frequency is determined by its internal dimensions. Manufacturer part number 6553-602B1 (Northrop Grumman Systems Corp, CAGE 92755).
Key specs: aluminum body; 1.3 to 1.65 gigahertz frequency; full characteristics table below. NIIN assigned January 1962; DEMIL A (none required); export Schedule B 9030.90.8040.