A fitting used with a union nut and thread piece to form a union.
NSN 7035-01-403-2841
NSN 5925-00-188-8678
NSN 6110-00-797-7559
NSN 6130-00-217-7695
NSN 6220-00-660-5539
NSN 5855-01-513-9601
NSN 6130-01-289-8051
NSN 4140-00-257-5215
NSN 6240-01-381-1072
NSN 6645-01-266-6699
NSN 5855-01-431-5581
NSN 5998-01-448-1080