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 6240-00-107-8192
NSN 6145-01-374-1899
NSN 5915-01-067-9129
NSN 6610-00-889-8844
NSN 6320-01-445-5893
NSN 6150-01-265-1003
NSN 5915-01-653-7259
NSN 5930-01-417-1444
NSN 6110-01-120-2835
NSN 6610-01-142-3633
NSN 5945-01-514-8140
NSN 6645-00-237-5945