A fitting used with a union nut and thread piece to form a union.
NSN 5920-01-248-8386
NSN 6145-00-583-9989
NSN 5925-01-293-3604
NSN 5996-00-017-9189
NSN 5915-01-242-3521
NSN 5965-01-105-7901
NSN 6240-01-208-9587
NSN 6110-00-410-8517
NSN 6145-01-044-1635
NSN 2925-00-853-5039
NSN 6240-00-972-9098
NSN 6150-01-555-4968