A fitting used with a union nut and a tailpiece to form a union.
NSN 5965-00-106-3195
NSN 6145-01-212-7990
NSN 6135-00-575-8942
NSN 6645-01-372-6012
NSN 5835-01-028-7009
NSN 6610-01-361-8965
NSN 5950-01-265-4636
NSN 6135-00-962-4110
NSN 5998-01-274-7474
NSN 5835-00-358-4235
NSN 6645-00-296-8310
NSN 5999-00-507-2098