Used on connecting link, trailing edge flap, f-18e/f aircraft. 3b thread class 16 thread quantity per inch nut-drilled, jam, coarse threads passivate surface treated
Used on control panel (102489) on 4930-01-517-7009; fuel system, supply point. right-hand 20 thread quantity per inch 1/4-20 hex nut, ss material is stainless steel