MIL-F-21241 (NOTICE 3), MILITARY SPECIFICATION: FILTERS, COLOR FINISHED (FOR OPTICAL INSTRUMENTS) (09 MAY 1996) [NO S/S DOCUMENT]

MIL-F-21241 (NOTICE 3), MILITARY SPECIFICATION: FILTERS, COLOR FINISHED (FOR OPTICAL INSTRUMENTS) (09 MAY 1996) [NO S/S DOCUMENT]., This notice should be filed in front of MIL-F-21241(NOrd), dated 4 December 1958, and NOTICE 2, dated 1 May 1985. MIL-F-21241(NOrd) is inactive for new design and is no longer used, except for replacement purposes.