2a thread class right-hand 1.080" thread length pan head style 32 thread quantity per inch passivate screw surface treated altered item MS51958-68 NSN5305000593664 unf thread series
2a thread class right-hand 0.844" thread length flat fillister head style 56 thread quantity per inch passivate screw surface treated unc thread series
2a thread class right-hand 0.469" thread length flat countersunk undercut head style 32 thread quantity per inch cadmium screw surface treated unc thread series
3a thread class right-hand 0.625" thread length flat countersunk head style 32 thread quantity per inch passivate screw surface treated unjf thread series
3a thread class right-hand 1.108" thread length flat countersunk head style 32 thread quantity per inch passivate screw surface treated unjf thread series
3a thread class right-hand 1.750" thread length flat countersunk head style 32 thread quantity per inch cadmium screw surface treated unjf thread series