A fitting used with a union nut and a tailpiece to form a union.
NSN 5990-00-254-4825
NSN 5960-01-583-3127
NSN 6610-01-095-1459
NSN 5999-01-413-0179
NSN 6130-01-641-6750
NSN 5895-01-467-2886
NSN 6320-01-216-1678
NSN 6610-01-581-8682
NSN 5910-01-063-4506
NSN 5999-01-280-2200
NSN 5950-01-258-2051
NSN 6130-01-634-0603