A fitting used with a union nut and a tailpiece to form a union.
NSN 6110-01-344-0469
NSN 5990-00-052-3143
NSN 2925-01-140-1015
NSN 5930-01-141-6901
NSN 5855-01-473-6076
NSN 6610-01-119-0662
NSN 6145-01-094-6108
NSN 6105-01-394-7048
NSN 5985-00-375-1837
NSN 5965-01-469-7401
NSN 6220-01-200-6461
NSN 6145-00-596-8447