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 6135-01-629-6940
NSN 5920-01-132-0178
NSN 6220-00-654-7362
NSN 7035-01-519-3253
NSN 5935-01-481-8811
NSN 5835-01-606-3086
NSN 5960-00-952-6705
NSN 5935-01-042-7270
NSN 7035-01-336-0464
NSN 6110-01-057-5825
NSN 5998-00-228-5322
NSN 5915-01-082-3822