A filter designed to be used with an airport runway marker light.
NSN 5960-00-304-8668
NSN 2925-01-016-3111
NSN 5905-00-859-6718
NSN 5985-01-085-9332
NSN 5998-00-100-6334
NSN 5935-00-169-5892
NSN 5990-00-613-2279
NSN 5950-01-200-7281
NSN 5960-01-325-2241
NSN 6110-00-725-9740
NSN 5905-01-275-7242
NSN 6150-01-415-0916