A fitting used with a union nut and a tailpiece to form a union.
NSN 5965-00-445-1843
NSN 6135-00-998-5884
NSN 5915-00-308-0916
NSN 5935-01-419-5763
NSN 5999-01-585-6814
NSN 4140-01-398-9118
NSN 5935-00-810-3787
NSN 5905-01-328-5365
NSN 5835-01-013-8797
NSN 5930-00-779-6723
NSN 6685-00-903-3352
NSN 6135-01-480-8121