WA-MC0402 - 1/4"OD X 1/8"NPTF WA-MC0404 - 1/4"OD X 1/4"NPTF WA-MC0406 - 1/4"OD X 3/8"NPTF WA-MC0604 - 3/8"OD X 1/4"NPTF WA-MC0606 - 3/8"OD X 3/8"NPTF WA-MC0607 - 3/8"OD X 1/2"NPTF
