Aluminium Female O-Ring Port Weld Bung
990-04-D (-4 7/16"-20 Port Aluminium)
990-06-D (-6 9/16"-18 Port Aluminium)
990-08-D (-8 3/4"-16 Port Aluminium)
990-10-D (-10 7/8"-16 Port Aluminium)
990-12-D (-12 1-1/16"-12 Port Aluminium)
990-16-D (-16 1-5/16"-12 Port Aluminium)
990-20-D (-20 1-5/8"-12 Port Aluminium)