MS33737B (NOTICE 1), MILITARY SPECIFICATION SHEET: NUT, SHEET SPRING, INSTRUMENT MOUNTING (04-NOV-1999) [S/S BY NASM33737]

MS33737B (NOTICE 1), MILITARY SPECIFICATION SHEET: NUT, SHEET SPRING, INSTRUMENT MOUNTING (04-NOV-1999) [S/S BY NASM33737]., MS33737B, dated 18 JANUARY 1988, is hereby canceled and superseded by NASM33737. The Part Identification Number (PIN) for MS33737B and the part number for NASM33737 are identical. The part numbers have not been changed.