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 6610-01-278-9704
NSN 5985-01-613-1897
NSN 5996-01-023-0537
NSN 5930-00-991-2127
NSN 6135-01-365-2707
NSN 6110-01-649-1302
NSN 5915-01-510-9763
NSN 5985-00-435-1612
NSN 6135-01-589-9467
NSN 5965-01-021-7023
NSN 5960-01-067-3156
NSN 5950-00-823-6199