3a thread class right-hand 1.500" thread length hexagon head style 8 thread quantity per inch threads undercut for relief passivate surface treated unc thread series
Used on coast guard hu-25 aircraft. 2a thread class right-hand 0.444" thread length hexagon head style 28 thread quantity per inch this item includes a cotter pin hole drilled 0.19" from the thread end 0.076" in diameter cadmium surface treated unf thread series