A fitting used with a union nut and a tailpiece to form a union.
NSN 6620-01-606-8964
NSN 6130-01-466-7384
NSN 6130-01-258-5892
NSN 5950-01-359-8952
NSN 5855-01-607-5982
NSN 6645-01-467-3182
NSN 5935-01-315-1915
NSN 6130-01-517-4959
NSN 6320-01-089-9086
NSN 5975-01-033-2733
NSN 6620-01-530-1201
NSN 5905-01-384-2789