A fitting used with a union nut and a tailpiece to form a union.
NSN 6150-00-982-2785
NSN 6620-01-437-3146
NSN 4140-00-797-7765
NSN 5895-01-029-8729
NSN 5999-01-429-0149
NSN 5945-01-315-4804
NSN 5895-00-862-5564
NSN 6130-00-617-5516
NSN 5998-00-369-1101
NSN 2925-00-099-4030
NSN 6620-01-612-9030
NSN 5945-01-592-2115