BOLT, MACHINE, DOUBLE HEXAGON - EXTENDED WASHER FACE, 0.250-28 BY 0.875 LG AT HOLE LOCATIONS 1, 2, 5-8, 19, 23, 24, 29-31, 34, 35, 42, 45, 48, 51-53, 64, 67, 68, 74, 75, 79, 80, 83, 89-91, 93-96