2b all threaded hole thread class 0.875" single connection inside diameter 4.297" overall length 2.500" overall width 32 all threaded hole thread quantity per inch rectangular npt single pressure connection thread series
2a single mounting facility thread class 0.375" single mounting facility thread length 1.968" overall width circular wafer, bushing mount unef single mounting facility thread series
2b all threaded hole thread class 5.159" overall length 32 all threaded hole thread quantity per inch cylindrical w/flange unc all threaded hole thread series
5.312" overall length 1.906" overall width 20 all pressure connection thread quantity per inch shortest vertical distance between mtg centers 0.531 in. rectangular unc all pressure connection thread series