A fitting used with a union nut and thread piece to form a union.
NSN 5925-01-461-9956
NSN 2925-01-004-5627
NSN 5965-00-015-7408
NSN 6145-00-267-0853
NSN 6145-01-209-2467
NSN 5910-01-381-5624
NSN 2925-01-385-6661
NSN 6145-01-391-5148
NSN 6645-00-342-5956
NSN 6620-01-475-4717
NSN 6150-01-023-7710
NSN 5920-00-466-3950