2b thread class right-hand 0.250" material thickness 32 thread quantity per inch tapped holes 0.438 in. apart; first hole located 0.120 in. from one end passivate surface treated
3b thread class right-hand 32 thread quantity per inch surface treatmentmust meet salt spray test requirements of qq-p-416, ty 2; spring loaded boss extends below base cadmium nut or cadmium nut surface treated