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 6135-00-050-7189
NSN 6240-00-660-8849
NSN 5835-00-063-0390
NSN 5920-01-210-2300
NSN 5895-00-720-4148
NSN 6135-01-592-4139
NSN 5910-00-280-1463
NSN 4140-00-779-3928
NSN 6150-01-382-8823
NSN 5945-01-612-1804
NSN 5998-00-441-3591
NSN 5915-01-191-5334