A fitting used with a union nut and a tailpiece to form a union.
NSN 6685-01-319-6680
NSN 6645-01-465-4915
NSN 5996-01-481-9626
NSN 6110-01-104-4299
NSN 5965-01-051-0126
NSN 6150-00-891-7922
NSN 6150-01-555-8442
NSN 5835-00-491-3834
NSN 6320-01-322-4950
NSN 6645-00-077-1805
NSN 5935-01-182-4841
NSN 2925-00-284-1534