3a thread class right-hand flush countersunk head style 0.438" grip length 32 thread quantity per inch 95000 single pounds per square inch shear strength aluminum surface treated unjc thread series
Used on mh-53j,mh-60g acft. 3a thread class right-hand 0.325" thread length hexagon head style 20 thread quantity per inch next assy 8837227:part of adadpter assy .50 cal gun, d-13:used on machine gun cal .50 gau-18a unf thread series
3a thread class right-hand 0.375" thread length flat countersunk head style 0.875" grip length 24 thread quantity per inch cadmium surface treated unf thread series