3b thread class right-hand 2.8250" overall length 0.6870" bore diameter 20 thread quantity per inch chromium inner member surface treated ball type unf thread series
3a thread class right-hand 0.4370" thread length 2.0610" overall length 24 thread quantity per inch 100 pct magnetically inspected except needles mil-i-6868; nas 516-1 lubrication fitting in thread end; od crowned on a 10 in. radius; stud hardness at shank end rockwell C43 to 46 chromium exposed surfaces as mounted surface treated cam follower unf thread series
