A fitting used with a union nut and a tailpiece to form a union.
NSN 6145-01-062-1598
NSN 5945-00-028-2485
NSN 5920-01-444-9279
NSN 5998-00-484-6943
NSN 6240-01-444-2227
NSN 5960-00-127-9319
NSN 5910-01-248-7063
NSN 5945-00-959-3149
NSN 6130-00-133-3521
NSN 5855-01-007-9541
NSN 5999-01-200-0989
NSN 6145-00-953-7504