2a 2nd end thread class 16 2nd end thread quantity per inch strainer screen attached to external boss thd end extends 1.000 in. from end of adapter passivate surface treated npt 1st end thread series
Used on grumman a-10 acft. 3a 2nd end thread class 12 2nd end thread quantity per inch center wrenching facility cadmium surface treated anpt 1st end thread series
Used on grumman a-10 acft. 3a 2nd end thread class 12 2nd end thread quantity per inch center wrenching facility cadmium surface treated anpt 1st end thread series