MS21048F (NOTICE 1), MILITARY STANDARD: NUT, SELF-LOCKING, PLATE, TWO LUG, LOW HEIGHT, CRES, 125 KSI FTU, 450 DEG. AND 800 DEG. F. (09 SEP 1999) [S/S BY NASM21048]

MS21048F (NOTICE 1), MILITARY STANDARD: NUT, SELF-LOCKING, PLATE, TWO LUG, LOW HEIGHT, CRES, 125 KSI FTU, 450 DEG. AND 800 DEG. F. (09 SEP 1999) [S/S BY NASM21048]., MS21048F, dated 30 SEPTEMBER 1987, is hereby canceled and superseded by NASM21048. The Part Identification Number (PIN) for MS21048F and the part number for NASM21048 are identical. The part numbers have not been changed.