A fitting used with a union nut and a tailpiece to form a union.
NSN 5910-01-366-1171
NSN 6685-01-377-9137
NSN 5975-00-592-3925
NSN 6135-00-725-5132
NSN 6130-01-329-8789
NSN 6110-00-141-1966
NSN 5950-01-395-0039
NSN 5905-01-422-4577
NSN 6320-01-193-8606
NSN 5960-01-493-3948
NSN 6110-00-179-5964
NSN 2925-00-891-9289