MS21053D, MILITARY SPECIFICATION SHEET: NUT, SELF-LOCKING, PLATE, ONE LUG, 100 DEG. CSK LOW HEIGHT, ALLOY STEEL, 125 KSI FTU, 450 DEG. F (15 MAR 1978) [SUPERSEDED BY NASM21053]

MS21053D, MILITARY SPECIFICATION SHEET: NUT, SELF-LOCKING, PLATE, ONE LUG, 100 DEG. CSK LOW HEIGHT, ALLOY STEEL, 125 KSI FTU, 450 DEG. F (15 MAR 1978) [SUPERSEDED BY NASM21053].