A fitting used with a union nut and a tailpiece to form a union.
NSN 5925-01-360-7009
NSN 6105-01-324-3806
NSN 5999-01-462-0058
NSN 5920-01-060-9302
NSN 5985-01-600-1064
NSN 5975-01-592-7841
NSN 6110-01-262-6260
NSN 6145-00-648-2726
NSN 7035-01-352-6235
NSN 6650-00-575-7487
NSN 6145-00-864-7881
NSN 4140-01-591-0616