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 6220-00-767-5080
NSN 6220-01-107-4595
NSN 6105-00-565-5917
NSN 5985-01-069-2886
NSN 6105-01-204-2920
NSN 6110-01-430-3684
NSN 5985-01-160-8368
NSN 5945-01-218-0804
NSN 5925-00-104-8310
NSN 6620-00-868-2147
NSN 6610-01-013-8922
NSN 4140-00-189-0235