2a thread class right-hand 0.4370" thread length 1.2346" overall length 24 thread quantity per inch chrome thickness 0.0004in. lubricator in flanged end of stud chromium roller surface treated cam follower unf thread series
2a thread class right-hand 1.9375" overall length 0.2495" bore diameter 28 thread quantity per inch chromium inner member surface treated ball type unf thread series