Used on tractor, full-track;fire pumps;helicopter, search and rescue, hh-60h;helicopter, mh-53e;helicopter, carrier based asw, sh-60f;grader, road (130g);helicopter, uscg search and rescue, hh-60j;aircraft, c-2a (reprocured);helicopter, advance attack, ah-1w;truck rubber ms deuce (dv100). 3b thread class right-hand 18 thread quantity per inch cadmium surface treated