Used on F-15SA. 3a thread class right-hand 0.767" thread length double hexagon extended washer head style 1.750" grip length 20 thread quantity per inch bolt, close tolerance, 12 point, flange head, 220 ksi ftu, cres passivate surface treated unjf thread series
Used on air-atr-72-600; stabilizer. 3a thread class right-hand 0.323" thread length hexagon head style 2.4265" grip length 32 thread quantity per inch bolt, tension, hex head, close tolerance, 6al-4v titanium alloy, short thread, reduced major thread diameter, nonlocking, 160 ksi ftu unjf thread series
Used on air-atr-72-600; stabilizer. 3a thread class right-hand 0.454" thread length hexagon head style 1.632" grip length 24 thread quantity per inch bolt, tension, hex head, close tolerance, 6al-4v titanium alloy, short thread, reduced major thread diameter, nonlocking, 160 ksi ftu aluminum surface treated unjf thread series
3a thread class right-hand 0.688" thread length pan head style 24 thread quantity per inch screw machine pan head structural cross recessed passivate screw surface treated unf thread series
flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.188" grip length rivet, blind passivate sleeve surface treated