A fitting used with a union nut and a tailpiece to form a union.
NSN 6220-01-312-0013
NSN 6130-01-104-1308
NSN 6110-00-945-8204
NSN 5835-01-045-6371
NSN 6685-00-186-9190
NSN 6685-00-130-0225
NSN 6240-01-616-5658
NSN 5835-01-564-4727
NSN 6135-01-074-8220
NSN 6150-01-386-9205
NSN 5950-00-707-6107
NSN 5999-01-411-2926