A fitting used with a union nut and a tailpiece to form a union.
NSN 6110-00-269-2696
NSN 5855-01-581-5827
NSN 5910-00-948-9202
NSN 5985-00-765-1421
NSN 6130-00-949-6466
NSN 6130-01-614-5137
NSN 6610-01-152-2821
NSN 5999-01-272-1535
NSN 5855-01-426-5589
NSN 5945-01-419-6732
NSN 5945-00-648-6237
NSN 6320-00-593-0379