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 5950-00-147-7866
NSN 5975-00-186-8884
NSN 5925-01-514-6155
NSN 6150-00-125-0453
NSN 5975-00-318-4623
NSN 5855-01-201-4857
NSN 5945-01-503-0423
NSN 5920-00-644-3285
NSN 6220-00-981-9184
NSN 5996-01-423-9423
NSN 6650-01-396-5352
NSN 4140-00-917-8734