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 5945-01-382-6383
NSN 5965-01-631-5181
NSN 5945-00-233-7426
NSN 5996-01-374-3452
NSN 5998-00-932-4957
NSN 6220-01-525-1365
NSN 5945-01-455-8651
NSN 6610-00-377-7956
NSN 5998-01-530-0179
NSN 5990-00-422-2093
NSN 5920-01-400-3562
NSN 5950-01-367-5398