Used on weapons elevator door. 3a thread class right-hand 0.7500" thread length 2.3750" overall length 18 thread quantity per inch cam follower, needle bearing cam follower unf thread series
3a thread class right-hand 0.4420" thread length 20 thread quantity per inch cadmium exposed surfaces as mounted surface treated cam follower unjf thread series
Used on f/a-18 aircraft. 3a thread class right-hand 1.6920" overall length 24 thread quantity per inch sealed bearing without lubrication & no cotter pin hole cam follower unjf thread series