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 5990-01-271-1628
NSN 6135-01-393-4746
NSN 6135-01-236-8603
NSN 5985-01-387-3933
NSN 6130-01-305-1436
NSN 6240-01-512-1161
NSN 7035-01-544-6975
NSN 5855-00-054-4686
NSN 7035-01-622-7514
NSN 5965-01-341-8746
NSN 5990-00-054-4785
NSN 5835-01-149-6855