0.2400" first hole diameter 1.0570" overall length one hole on left side 45 deg from parting line tin surface treated 17d half sleeve, plain, no outside flanges
3a thread class right-hand 1.0000" thread length 3.2812" overall length 14 thread quantity per inch means for relubrication cam follower unf thread series
3b thread class right-hand 2.1250" overall length 0.3745" bore diameter 24 thread quantity per inch chromium inner member surface treated ball type unf thread series