2a thread class right-hand 0.370" thread length fillister head style 16 thread quantity per inch screw, diaphragm retaining magnetic particle inspection per ps 596513 part v unc thread series
1a thread class right-hand 1.625" thread length oval head style 0.164" hole diameter 32 thread quantity per inch cadmium screw surface treated unc thread series
2a thread class right-hand 3.000" thread length hexagon head style 13 thread quantity per inch item is part of a 1-inch pressure regulating valve unc thread series
3a thread class right-hand 0.276" thread length fillister countersunk head style 32 thread quantity per inch screw, machine-flat cadmium screw surface treated unjf thread series
fine thread class right-hand 1.005" thread length double hexagon w/ hole head style 18 thread quantity per inch passivate screw surface treated dry film lubricant, drilled head unjf thread series
