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 6610-01-130-0744
NSN 5935-00-616-8891
NSN 5965-00-959-8162
NSN 6105-01-258-9624
NSN 6220-00-005-0388
NSN 6610-01-312-6906
NSN 6620-01-464-6762
NSN 5990-01-497-2138
NSN 5915-01-189-5471
NSN 5998-00-468-2507
NSN 5835-01-227-4752
NSN 5998-00-221-2543