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 6685-01-311-0385
NSN 5905-01-181-0348
NSN 5985-01-369-2763
NSN 5999-01-378-2711
NSN 6130-00-566-0347
NSN 5985-00-580-4760
NSN 6620-01-128-9808
NSN 6130-01-133-9824
NSN 5930-00-111-1369
NSN 5905-01-465-4169
NSN 5990-01-378-7349
NSN 5960-01-449-5726