A fitting used with a union nut and a tailpiece to form a union.
NSN 5950-01-446-6903
NSN 5910-01-372-0804
NSN 5905-00-113-5161
NSN 6220-00-629-9271
NSN 6220-01-620-2918
NSN 5935-01-383-6714
NSN 5960-00-391-6493
NSN 5910-01-563-6265
NSN 5935-00-872-7697
NSN 5855-00-408-2611
NSN 5855-01-383-8339
NSN 5910-00-196-5772