3a thread class right-hand 2.5310" overall length 0.2495" bore diameter 24 thread quantity per inch chromium inner member surface treated ball type unf thread series
3a thread class right-hand 3.2180" overall length 0.4995" bore diameter entire thd lg slotted longitudinally 0.1250 in. min, 0.1300 in. max w by 0.0840 in. min, 0.0890 in. maxdeep chromium inner member surface treated ball type