A fitting used with a union nut and a tailpiece to form a union.
NSN 5855-01-066-2882
NSN 5920-01-443-9451
NSN 6150-00-391-1981
NSN 5996-01-590-7886
NSN 5895-01-090-4245
NSN 5985-01-371-5658
NSN 5895-00-263-0755
NSN 6610-00-686-1554
NSN 6645-01-540-7989
NSN 5965-01-629-8484
NSN 7035-01-243-8523
NSN 5998-01-433-9758