3a thread class right-hand 2.2980" overall length 0.3120" bore diameter 24 thread quantity per inch 0.094 in. min, 0.097 in. max dia hole drilled in shank 0.4630 in. min, 0.4370 in. max from shank end, extended boss on end of outer member od ball type unf thread series
4.0000" overall length dia to be concentric within 0.002 tir, straight internal grooves open both ends 90 deg apart 0.0625 in. deep by 0.1875 in. wide 17c solid, plain, no outside flanges