A fitting used with a union nut and a tailpiece to form a union.
NSN 5920-01-142-5750
NSN 6685-01-552-8769
NSN 5985-01-151-4220
NSN 6145-01-099-9620
NSN 6130-00-549-2607
NSN 6240-00-869-5079
NSN 6130-00-018-7140
NSN 6620-00-369-9481
NSN 6620-00-911-1577
NSN 5835-00-065-6757
NSN 5998-00-851-6456
NSN 5950-00-809-9166