Used on nsn: 1520-01-492-6324; helicopter, utility; ws: helicopter, black hawk uh-60.. 31.0mm overall length connector, electrical, plug, circular, threaded, straight, removable, crimp contacts, series iii, metric. color is olive drab, pins are 1500 cycle contact.
Used on sof control room; indication and control system. 2a thread class right-hand 18 thread quantity per inch contacts per mil-c-39029/44-288 uns thread series