Used on integrated family of test equipment (ifte). 2a thread class right-hand 0.510" thread length flat countersunk head style 20 thread quantity per inch screw, machine unc thread series
Used on e-3 aircraft,block 404. 2a thread class right-hand 0.250" thread length fillister head style 32 thread quantity per inch screw, shoulder, precision unf thread series
Used on e-3 block 404. 32 thread class right-hand 0.345" thread length hexagon head style 32 thread quantity per inch cadium plated A286 bolts shall be identified with a green dye or paint on the thread end. cadmium surface treated unjf thread series
