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 5950-01-137-8758
NSN 5915-01-190-9476
NSN 5990-00-004-4158
NSN 5915-01-500-9592
NSN 5905-01-155-7786
NSN 5960-00-076-5546
NSN 6645-00-079-1430
NSN 6320-00-908-6841
NSN 5905-01-093-8157
NSN 5999-00-514-3388
NSN 5905-01-207-8274
NSN 5996-01-587-2616