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 6150-01-198-3232
NSN 6105-00-965-5274
NSN 5985-00-479-4750
NSN 5855-01-472-3963
NSN 5920-00-179-4580
NSN 5985-01-374-4256
NSN 5855-01-545-3659
NSN 5960-01-468-6508
NSN 6135-00-334-4500
NSN 5975-00-092-5040
NSN 5895-01-406-4294
NSN 7035-01-158-7673