Used on aircraft, b-2 bomber (atb), support equipment (se), b-2 bomber; aircraft, f/a-18 hornet. 3a 2nd end thread class 18 2nd end thread quantity per inch weapon system essential unjs 1st end thread series
Used on aircraft: airlifter c-17a, and the hornet f/a-18. black polytetrafluoroethylene coated 0.410 in. min, 0.435 in. max depth in id of second end, and on od; weapon system essential