An item having wrenching facilities on one end and a threaded connection of one type within an externally threaded connection of another type. One connection must have machine threads not designed for any type of tube or tube fitting.
NSN 5998-01-321-2690
NSN 5855-01-070-8084
NSN 5905-00-473-0559
NSN 6145-01-567-3303
NSN 5915-00-615-9537
NSN 6650-00-862-2142
NSN 5930-01-111-6768
NSN 5930-01-299-5568
NSN 5915-01-219-9088
NSN 5835-01-583-8358
NSN 5998-01-074-6385
NSN 6130-01-321-7487