Used on next assy 3389as403, an/ale-47. 2a thread class right-hand 0.146" thread length pan head style 40 thread quantity per inch screw, captive, battery envelope cover unc thread series
right-hand 0.320" thread length flat top elevator head style 10 thread quantity per inch screw onehundred degrees flush h ead screw with cotter hole unf thread series
Used on 1f-15 acft. 3a thread class right-hand 0.219" thread length flat countersunk undercut head style 56 thread quantity per inch screw passivate screw surface treated unjc thread series