A fitting used with a union nut and a tailpiece to form a union.
NSN 6105-01-653-8574
NSN 6620-01-431-9176
NSN 5945-01-139-7093
NSN 5930-01-228-8281
NSN 6650-00-405-0702
NSN 5996-00-917-2833
NSN 5895-00-004-6436
NSN 5910-00-463-7165
NSN 5965-00-222-7394
NSN 6220-01-171-8383
NSN 6650-00-754-2276
NSN 5965-01-521-4452