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 4140-01-465-1748
NSN 2925-01-325-3974
NSN 5996-01-574-8143
NSN 6620-00-239-6153
NSN 6150-00-614-9568
NSN 6685-01-582-7976
NSN 6150-00-402-6880
NSN 6130-01-192-7586
NSN 6610-01-033-2402
NSN 5935-01-498-8147
NSN 6620-00-010-1415
NSN 6145-01-231-1395