Used on PYLON. 3a thread class right-hand 0.370" thread length fillister countersunk head style 0.240" grip length 28 thread quantity per inch screw, close tolerance nas document states bolt, 100 degree reduced head close aluminum surface treated unjf thread series
Used on f/a-18 e/f. 3a thread class right-hand 0.563" thread length flat countersunk head style 0.106" hole diameter 0.250" grip length 24 thread quantity per inch bolt, close tolerance unjf thread series
Used on f/a-18 e/f. 3a thread class right-hand 0.454" thread length flat countersunk head style 0.076" hole diameter 0.4375" grip length 24 thread quantity per inch bolt, close tolerance unjf thread series