A fitting used with a union nut and a tailpiece to form a union.
NSN 6650-01-302-9695
NSN 6620-00-824-4609
NSN 7035-01-509-1959
NSN 5985-01-518-6938
NSN 6130-01-157-0768
NSN 6650-00-299-9681
NSN 4140-01-490-7747
NSN 5950-01-169-4657
NSN 2925-00-265-7539
NSN 5985-00-666-2987
NSN 6135-01-619-4423
NSN 6105-00-733-4589