A fitting used with a union nut and a tailpiece to form a union.
NSN 2925-01-161-7440
NSN 6240-00-239-0159
NSN 5950-00-494-3408
NSN 6130-01-376-4322
NSN 5990-01-149-0691
NSN 6130-00-984-6252
NSN 5950-00-962-2923
NSN 6110-01-373-3487
NSN 5990-00-005-5215
NSN 5910-00-877-7337
NSN 5915-01-050-6622
NSN 2925-01-386-7392