AN150426 THRU AN150450 (REV. 1), AIR FORCE - NAVY AERONAUTICAL STANDARD: NUT-HEX, CHECK (01 FEB 1994) [S/S BY SAE-AS150426THRUAS150450]
AN150426 THRU AN150450 (REV. 1), AIR FORCE - NAVY AERONAUTICAL STANDARD: NUT-HEX, CHECK (01 FEB 1994) [S/S BY SAE-AS150426THRUAS150450].