2a thread class right-hand 0.313" thread length pan no. 2 head style 32 thread quantity per inch navy special project passivate screw surface treated unc thread series
2a thread class right-hand 0.325" thread length flat countersunk head style 40 thread quantity per inch passivate screw surface treated unc thread series
2a thread class right-hand 0.250" thread length flat countersunk head style 32 thread quantity per inch passivate screw surface treated unc thread series
2a thread class right-hand 0.034" thread length flat countersunk head style 64 thread quantity per inch passivate screw surface treated unc thread series
2a thread class right-hand 1.273" thread length flat countersunk head style 56 thread quantity per inch passivate screw surface treated unc thread series
3a thread class right-hand 0.408" thread length pan head style 32 thread quantity per inch cadmium screw surface treated furnished with boot type nylon washer 0.500 in. od, color gray per fed-std-595 no. 16231 unf thread series