A fitting used with a union nut and thread piece to form a union.
NSN 5945-00-082-0976
NSN 5935-01-049-5164
NSN 2925-01-433-8915
NSN 5945-00-356-9917
NSN 5945-01-560-8968
NSN 2925-00-925-0545
NSN 5895-00-773-2926
NSN 6130-01-038-2725
NSN 5999-01-655-7186
NSN 5975-01-578-2388
NSN 5960-00-840-7103
NSN 6240-00-454-9293