A fitting used with a union nut and thread piece to form a union.
NSN 6650-01-022-0627
NSN 5960-00-148-4493
NSN 6645-00-922-0886
NSN 5975-00-893-5443
NSN 6240-01-293-0584
NSN 6110-01-607-6670
NSN 6610-00-890-0254
NSN 5960-00-201-5265
NSN 5985-01-315-4420
NSN 6110-01-213-0210
NSN 5960-01-505-2426
NSN 5975-00-193-9961