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 4140-01-176-0228
NSN 5925-01-601-2516
NSN 5998-01-289-5938
NSN 5945-00-943-4151
NSN 4140-01-624-6592
NSN 5965-01-555-6976
NSN 6145-00-299-7757
NSN 6150-00-554-7591
NSN 6130-00-988-3257
NSN 6110-01-485-3312
NSN 5999-01-519-9353
NSN 6610-01-406-4985