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 6240-00-759-7404
NSN 5999-00-375-6147
NSN 5930-01-649-6485
NSN 5920-01-035-7713
NSN 6620-01-100-3181
NSN 5920-00-378-1395
NSN 6610-00-527-8892
NSN 6220-01-263-3899
NSN 6145-01-651-8880
NSN 6150-00-789-7347
NSN 5855-01-103-8650
NSN 6650-00-473-1259