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 6620-01-180-2687
NSN 6145-01-086-0538
NSN 6320-01-302-5157
NSN 6110-01-312-2633
NSN 5996-00-231-9322
NSN 4140-00-707-5963
NSN 4140-01-323-4279
NSN 5945-01-563-1358
NSN 6620-00-464-1787
NSN 6150-01-378-1471
NSN 6220-01-201-0573
NSN 5975-01-262-5425