FSB 4-1/14.5 FSB 4-1/14.5/NPT FSB 4-1/18.25 FSB 4-1/18.25/S621 FSB 4-1/18.25/S727 FSB 4-2/14.5/NPT FSB 4-2/18.25 FSB 4-3/14.5 FSB 4-3/18.25 FSB 5-0.16/18.25/CS10085