3a thread class right-hand 0.297" thread length flat countersunk head style 32 thread quantity per inch passivate screw surface treated unjf thread series
2a thread class right-hand 0.370" thread length flat chamfer head style 20 thread quantity per inch head straight knurled paint surface treated unc thread series
Used on general electric jet engines & comps, j-85. 3a thread class right-hand 0.218" thread length flat chamfer head style 32 thread quantity per inch unc thread series
3a thread class right-hand 0.316" thread length flat countersunk head style 0.678" grip length 28 thread quantity per inch cadmium surface treated unjf thread series
2a thread class right-hand 0.368" thread length hexagon head style 32 thread quantity per inch counterbore head 0.156 in. dia by 0.010 deep unc thread series
2a thread class right-hand 0.433" thread length binding head style 56 thread quantity per inch cadmium screw surface treated head is undercut unc thread series
Used on w/s: los angeles class ssn (688); systems,, jp-5 aviation fuels; wasp class lhd; tarawa class lha; emory s. land class as; csraper (621b); fms-knox class ff; forrestal class cv; supply class aoe. 2.405" inside diameter 2.785" outside diameter 0.090" major thickness special flat ring style 211000.0 pounds per square inch tensile strength rating
3a thread class right-hand 1.625" thread length hexagon head style 0.046" hole diameter 28 thread quantity per inch cadmium surface treated unf thread series
2a thread class right-hand 0.089" thread length flat countersunk undercut head style 56 thread quantity per inch passivate screw surface treated unc thread series