Used on end item nsn: 5420-00-889-2020. 16 2nd end thread quantity per inch 90 degree straight thread swivel elbow connector passivate surface treated un 2nd end thread series
Used on auxilliary systems. bottom outlet, side inlet, top vent; has 90psi valve; 3.812 inch diameter 8.812 inch height running trap single vent npt 1st end thread series