3a thread class left-hand 2.4105" overall length 0.3125" bore diameter 20 thread quantity per inch chromium inner member surface treated ball type extended one side unjf thread series
3a thread class right-hand 2.4105" overall length 0.3125" bore diameter 24 thread quantity per inch chromium inner member surface treated ball type extended one side uns thread series
Used on bearing sleeve an alfa-laval model 202 hydraulic oil purifier onboard 270 ft uscg cutter. 1.7500" overall length 17c solid, plain, no outside flanges