Used on aircraft, hercules c-130; deep submergence systems programs (dssp); missile, air launch cruise (alcm) agm-86b; aircraft, thunderbolt ii, a-10; helicopter, iroquois uh-1; aircraft, sof (ac-130h, mc-130h, ec-130e, hc-130). 3b thread class right-hand 24 thread quantity per inch passivate surface treated