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 5855-00-427-7848
NSN 5910-01-366-2812
NSN 5905-01-181-5745
NSN 5905-01-198-0092
NSN 5915-01-633-9845
NSN 5835-01-017-7486
NSN 5945-01-112-0841
NSN 6645-00-191-4978
NSN 5945-01-607-7708
NSN 6110-01-121-0029
NSN 6150-00-580-0511
NSN 6620-00-708-2688