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 2925-01-187-5480
NSN 5835-00-085-2287
NSN 6610-00-456-0485
NSN 6610-01-435-4387
NSN 5920-01-300-6055
NSN 4140-01-441-4217
NSN 4140-01-411-3710
NSN 5990-00-402-3325
NSN 6135-01-512-8740
NSN 5895-01-157-9330
NSN 6105-01-464-0752
NSN 6145-01-414-6506