Used on advanced pilot training aircraft, t50, usaf models f100 pw 22- and f100 pw 220e. nut self lock, double hex left anti icing manifold, anti icing air supply tube
Used on kc-46 tanker. 3b thread class right-hand 28 thread quantity per inch nut, self-locking, 12 point, 180 ksi tensile, 450 f faa certified; o'level ata-56; kal-gard fa solid film lubricant cadmium surface treated
Used on 1520-01-355-8250 helicopter, attack. 3b thread class right-hand 18.0 thread quantity per inch nut, shear, double hex, self-locking 210 ksi cadmium surface treated