MS21057, MILITARY SPECIFICATION SHEET: NUT, SELF-LOCKING, PLATE, CORNER, 100 DEG. CSK, LOW HEIGHT, ALLOY STEEL, 125 KSI FTU, 450 DEG. F. (01 FEB 1994) [SUPERSEDED BY NASM21057]

MS21057, MILITARY SPECIFICATION SHEET: NUT, SELF-LOCKING, PLATE, CORNER, 100 DEG. CSK, LOW HEIGHT, ALLOY STEEL, 125 KSI FTU, 450 DEG. F. (01 FEB 1994) [SUPERSEDED BY NASM21057].