A fitting used with a union nut and a tailpiece to form a union.
NSN 2925-00-196-9003
NSN 6145-01-202-0687
NSN 6110-00-133-2429
NSN 5999-01-542-9074
NSN 5915-00-553-8755
NSN 5895-01-049-8525
NSN 5935-00-434-4639
NSN 6150-01-541-4784
NSN 6110-00-402-0055
NSN 6130-01-319-3564
NSN 5895-00-892-3591
NSN 5999-01-600-1305