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 5999-00-253-2192
NSN 5910-01-171-5689
NSN 7035-01-537-0408
NSN 5960-00-103-5216
NSN 6685-01-363-2765
NSN 5910-01-607-4382
NSN 6105-00-303-9756
NSN 5930-00-832-6939
NSN 5930-01-655-1466
NSN 6620-01-029-3705
NSN 6610-00-079-1508
NSN 6220-00-602-3534