2a thread class right-hand 1.662" overall length 1.969" overall width 18 thread quantity per inch 16-22 wire size socket contacts in lieu of 16-16 uns thread series
2b single mounting facility thread class 9.969" overall length 5.000" overall width 24 single mounting facility thread quantity per inch mechanically locking solenoid released tap, circuit selector unc single mounting facility thread series
Used on an/frt-64 transmitting set. 2b single mounting facility thread class 5.812" overall length 2.875" overall width 32 single mounting facility thread quantity per inch circular wafer, panel mount unc single mounting facility thread series