2a thread class right-hand 1.500" thread length hexagon head style 13 thread quantity per inch altered from MS35307-413 nsn 5305-00-021-3806 cadmium surface treated unc thread series
2a thread class right-hand 1.000" thread length hexagon head style 16 thread quantity per inch altered from MS35307-365 nsn 530500-847-1159 cadmium surface treated unc thread series
2a thread class right-hand 1.810" thread length hexagon head style 28 thread quantity per inch cadmium or zinc or chromate surface treated unf thread series