A fitting used with a union nut and a tailpiece to form a union.
NSN 6610-01-155-2661
NSN 6685-01-461-9339
NSN 5998-00-952-4756
NSN 5920-01-599-9293
NSN 5998-01-481-4468
NSN 6135-00-880-1026
NSN 5915-01-427-9857
NSN 6620-00-989-8692
NSN 5915-01-481-6207
NSN 5835-01-162-3042
NSN 5895-00-260-1693
NSN 6150-00-632-7577