A fitting used with a union nut and a tailpiece to form a union.
NSN 5925-01-095-4638
NSN 6240-00-079-0112
NSN 5930-01-392-0608
NSN 5855-01-364-9810
NSN 5960-01-298-4143
NSN 2925-01-197-7864
NSN 6620-00-932-4306
NSN 6320-01-550-3420
NSN 5935-01-029-3757
NSN 6130-01-599-2231
NSN 6150-01-359-1659
NSN 6135-01-528-6896