A fitting used with a union nut and a tailpiece to form a union.
NSN 5835-00-034-4976
NSN 5855-00-944-0949
NSN 6145-01-188-9699
NSN 6320-01-006-6138
NSN 5910-00-823-9944
NSN 5910-01-019-7359
NSN 5930-01-422-4857
NSN 7035-00-884-8366
NSN 6150-01-020-6683
NSN 5930-00-922-4149
NSN 5915-01-384-3858
NSN 6145-01-519-2087