Used on hatch cover, locking ring type. 2a thread class right-hand 0.984" thread length hexagon head style 16 thread quantity per inch unc thread series
Used on hatch cover, locking ring type. 2a thread class right-hand 1.750" thread length hexagon head style 10 thread quantity per inch unc thread series
Used on hatch cover, locking ring type. 2a thread class right-hand 1.250" thread length hexagon head style 13 thread quantity per inch unc thread series