3a thread class right-hand 4.2030" overall length 0.2495" bore diameter 24 thread quantity per inch keyway in shank 0.0980in. wide by 0.0690 in. deep ball type unjf thread series
0.2630" overall length tolerance, fit restrictions, applications, nuclear hardnessproperties, or other characteristics which affect identification of the item anodize outside diameter surface of body surface treated 22c solid, external flange one end