A fitting used with a union nut and a tailpiece to form a union.
NSN 5895-01-508-5966
NSN 6130-01-622-2603
NSN 6110-01-306-9235
NSN 5855-01-003-7102
NSN 6620-00-269-5168
NSN 5950-01-177-4691
NSN 6610-01-538-4660
NSN 5999-00-898-4590
NSN 6220-00-774-1318
NSN 6220-01-087-4282
NSN 5835-00-315-3797
NSN 5935-01-227-5560