3a thread class right-hand 0.311" thread length flat countersunk head style 1.490" grip length 28 thread quantity per inch cadmium surface treated unf thread series
3a thread class right-hand 0.318" thread length flat countersunk head style 0.803" grip length 32 thread quantity per inch cadmium surface treated unjf thread series
2b thread class right-hand 0.178" thread length bevel-conical head style 32 thread quantity per inch externally relieved 0.070 in. lg; slot drive concentric hole threaded unc thread series
3a thread class right-hand 0.663" thread length bevel-conical head style 0.070" hole diameter 24 thread quantity per inch chromate surface treated unjf thread series
3a thread class right-hand 0.245" thread length flat countersunk undercut head style 40 thread quantity per inch cadmium grip surface treated unjc thread series
3a thread class right-hand flat countersunk head style 40 thread quantity per inch expander nut material ams 5628; silver plate nut per ams 2410, 0.0003 in. thick on all signifigant surfaces unjc thread series