A fitting used with a union nut and a tailpiece to form a union.
NSN 5996-01-445-4737
NSN 5998-01-449-1398
NSN 5910-00-518-1477
NSN 6110-01-293-5722
NSN 5915-01-496-8869
NSN 5985-01-431-7386
NSN 5910-00-615-9975
NSN 6150-01-216-6005
NSN 5935-01-521-7219
NSN 5975-00-343-0370
NSN 5950-01-265-8203
NSN 5960-00-372-4876