Glass must be of optical grade
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: Military equipments not identified by kind
NSN 5960-00-091-8729
NSN 5985-01-015-1194
NSN 6130-01-279-2606
NSN 4140-01-377-1304
NSN 5960-01-125-2356
NSN 5985-00-678-6434
NSN 6620-01-381-6225
NSN 6220-01-393-8864
NSN 5925-01-301-2920
NSN 5915-00-246-0596
NSN 6610-01-605-2451
NSN 6110-00-222-8246