A fitting used with a union nut and a tailpiece to form a union.
NSN 5985-01-129-5991
NSN 6610-01-338-0628
NSN 6620-01-365-1499
NSN 5999-00-661-0954
NSN 2925-01-043-9786
NSN 7035-00-167-7411
NSN 6105-00-901-2455
NSN 5990-00-646-5487
NSN 5996-00-671-3487
NSN 5965-01-192-1366
NSN 5925-01-361-4275
NSN 5925-01-304-5343