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 6240-01-647-6751
NSN 5855-01-119-5869
NSN 5960-00-322-8562
NSN 5960-01-146-8707
NSN 6130-01-523-4852
NSN 5920-00-913-3728
NSN 6220-00-972-7933
NSN 6620-01-481-1358
NSN 6150-01-188-8232
NSN 6320-00-572-5753
NSN 5965-01-437-0905
NSN 5998-01-384-8052