AN256 (REV. 5), AIR FORCE-NAVY AERONAUTICAL STANDARD: NUT - SELF LOCKING, PLATE, RIGHT ANGLE, 250 DEG. F (24-FEB-1983) [S/S BY NASM256]
AN256 (REV. 5), AIR FORCE-NAVY AERONAUTICAL STANDARD: NUT - SELF LOCKING, PLATE, RIGHT ANGLE, 250 DEG. F (24-FEB-1983) [S/S BY NASM256].