A fitting used with a union nut and a tailpiece to form a union.
NSN 6645-01-435-6373
NSN 5920-01-125-4356
NSN 6110-00-104-7401
NSN 6145-01-568-4030
NSN 6130-01-568-4855
NSN 5935-01-235-6867
NSN 5999-00-479-1787
NSN 6610-01-118-2694
NSN 5950-01-201-3579
NSN 7035-00-238-3662
NSN 5910-00-231-2900
NSN 2925-00-436-9837