An item consisting of a light filter specifically designed for use with an oscilloscope, indicator or other item having a cathode ray tube. May include mounting facilities such as a ring and/or other hardware, but must consist of only one filter. For items having graduations or scales, see scale, cathode ray tube. See also filter assembly, light, cathode ray tube.
Classification: Parts and accessories of articles of schedule b subheading 9030.39
NSN 6620-01-502-9104
NSN 5945-01-361-1968
NSN 6130-00-329-7773
NSN 6150-00-079-0795
NSN 6135-01-659-7653
NSN 5915-01-118-0933
NSN 5975-01-643-6553
NSN 5910-01-312-4725
NSN 4140-01-392-1542
NSN 6320-01-422-1212
NSN 5915-01-367-4614
NSN 5910-00-052-5159