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 4140-01-506-3431
NSN 6620-00-927-1790
NSN 6650-01-092-0017
NSN 5945-00-597-5722
NSN 6220-00-631-1734
NSN 6320-00-369-7796
NSN 6145-00-570-0516
NSN 5950-01-355-0403
NSN 5990-00-841-5637
NSN 6150-01-395-3794
NSN 5855-00-631-4565
NSN 6620-00-858-7317