7.980" outside diameter 2nd raised surface on backface 0.254 in. min to 0.264 in. max h, 6.874 in. dia min to 6.876 in. dia max dia; circumferential groove in backface 0.040 in. deep, 0.387 in. wide, 5.800 in. dia to 6.573 dia; five unequally spaced thru hole in flange on 6.523 in. dia blt cir, 0.060 in. dia, cbore 0.375 in. dia by 0.060 in. dp round
3b thread class right-hand 1.3750" overall length 0.1895" bore diameter 32 thread quantity per inch inspect magnetic particle per mil-i-6868 or penetrant per mil-i-6866 as applicable identify on shank chromium inner member surface treated ball type unf thread series