3a first quick disconnect end thread class 3.990" overall length 6 bolt hole quantity anodize body surface treated coupling assembly unf first quick disconnect end thread series
3a 2nd end thread class flange on 1st end, triangular shaped, 2.500 in. dia, 0.188 in. thk, three threaded mounting holes on a 1.687 in. bolt circle dia, 0.190-32unf-3b thread unf 1st end thread series
Used on f-18 aircraft, f-15 aircraft, b-1b aircraft, and b-2 bomber (atb); support equipment: b-2 bomber. 3a 2nd end thread class 20 all ends thread quantity per inch weapon system essential unj all ends thread series