A fitting used with a union nut and a tailpiece to form a union.
NSN 6240-00-431-3757
NSN 6610-01-429-2162
NSN 5996-01-504-2065
NSN 5960-01-345-9800
NSN 5990-01-561-7802
NSN 4140-01-157-3700
NSN 6650-01-573-8318
NSN 5990-01-575-3275
NSN 6150-01-259-1623
NSN 5910-00-737-8234
NSN 6105-01-491-0771
NSN 5965-01-505-9989