A fitting used with a union nut and thread piece to form a union.
NSN 5945-01-343-4902
NSN 6220-01-048-5584
NSN 6110-00-103-2740
NSN 2925-00-402-5582
NSN 6110-01-389-0578
NSN 6150-01-335-0214
NSN 6240-00-179-5043
NSN 5895-00-614-3311
NSN 5945-00-263-3036
NSN 4140-00-104-6843
NSN 5915-00-191-5894
NSN 5910-01-552-2009