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 5999-01-217-8702
NSN 5925-00-316-5312
NSN 5855-00-532-0025
NSN 5910-01-354-9329
NSN 6650-00-920-0332
NSN 2925-01-554-5246
NSN 2925-01-183-2897
NSN 5835-01-550-5094
NSN 5990-00-902-7764
NSN 5945-00-686-1534
NSN 5855-00-821-7512
NSN 4140-01-421-9162