A fitting used with a union nut and a tailpiece to form a union.
NSN 5960-00-614-3998
NSN 5920-01-187-3720
NSN 5915-01-387-8111
NSN 5990-01-446-5546
NSN 6150-01-172-2038
NSN 6320-00-676-9387
NSN 6150-00-570-0552
NSN 5930-01-028-4392
NSN 6220-00-814-1598
NSN 5915-00-878-6578
NSN 5985-01-398-4105
NSN 5895-00-571-8055