A fitting used with a union nut and a tailpiece to form a union.
NSN 6105-01-192-8579
NSN 6610-01-519-8953
NSN 6620-00-492-4936
NSN 5965-01-570-1625
NSN 5965-00-577-6215
NSN 6645-01-573-2536
NSN 5996-00-383-6173
NSN 5920-01-181-1073
NSN 6645-01-100-3296
NSN 5945-01-364-9321
NSN 6320-01-326-1316
NSN 5999-01-411-5135