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 6110-00-363-3974
NSN 5920-00-130-3593
NSN 6610-01-188-8163
NSN 5998-00-062-6492
NSN 6620-01-408-0825
NSN 6105-01-391-7124
NSN 5910-00-202-1056
NSN 6650-01-164-0191
NSN 5985-01-250-3474
NSN 6240-00-583-3818
NSN 5990-00-946-3315
NSN 2925-01-254-3068