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 6150-00-227-2424
NSN 5945-01-449-1281
NSN 5998-01-456-4572
NSN 5985-01-468-6482
NSN 5925-01-401-5314
NSN 2925-00-922-8953
NSN 5835-01-416-6455
NSN 6130-00-767-4719
NSN 5905-01-033-5901
NSN 4140-01-643-3391
NSN 5905-01-524-1200
NSN 5945-01-517-0534