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 5945-01-476-6133
NSN 5945-01-269-8291
NSN 6610-01-280-3429
NSN 5835-00-130-6404
NSN 7035-01-499-7401
NSN 5965-00-931-8446
NSN 5945-01-131-1759
NSN 5905-00-336-4318
NSN 5910-01-131-5487
NSN 6645-01-438-6986
NSN 6620-01-318-1856
NSN 5990-00-067-6791