6625-00-722-0747 (990)
NSN 6625-00-722-0747 (NIIN 00-722-0747) is a klystron tube mount in Federal Supply Class 6625, Electrical And Electronic Properties Measuring And Testing Instruments — an item which accommodates a reflex klystron type tube used as a radio frequency source, to test and/or calibrate micrrowave components. Manufacturer part number 990 (Narda Holdings, Inc., CAGE 99899).
NIIN assigned January 1963; DEMIL A (none required); export Schedule B 9030.90.8030.