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 5895-01-503-9584
NSN 6150-00-172-0431
NSN 5960-00-764-7164
NSN 6220-00-013-8828
NSN 5835-01-013-9321
NSN 4140-01-364-9797
NSN 5960-01-512-0233
NSN 5910-01-424-1779
NSN 6320-01-266-1612
NSN 5950-01-654-4778
NSN 6645-00-795-5565
NSN 6105-01-105-6530