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 5930-00-969-9532
NSN 6620-00-838-6954
NSN 6610-01-112-8137
NSN 6645-00-421-5287
NSN 5998-01-361-4535
NSN 6610-01-163-4551
NSN 7035-01-121-5905
NSN 4140-01-506-3431
NSN 5920-00-890-8999
NSN 5925-00-971-1508
NSN 7035-01-509-1959
NSN 5915-01-335-0187