A fitting used with a union nut and thread piece to form a union.
NSN 5990-00-732-2064
NSN 6110-01-331-1878
NSN 5910-00-141-5934
NSN 6645-01-387-7209
NSN 5985-00-925-4161
NSN 6610-01-014-3964
NSN 6130-00-404-1745
NSN 5835-01-561-2959
NSN 7035-00-834-2090
NSN 5915-00-229-1474
NSN 6150-01-438-2182
NSN 6610-01-626-2327