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 6145-01-557-4906
NSN 6130-01-088-7775
NSN 5895-01-634-0630
NSN 6685-00-583-2473
NSN 4140-00-498-6867
NSN 7035-00-861-7913
NSN 5985-00-964-9673
NSN 5945-00-965-9819
NSN 6685-00-141-4300
NSN 5895-01-032-8238
NSN 6135-01-278-9717
NSN 6220-01-337-5333