Filler plug Filler plug GN 741-22-M16X1,5-ES-2 Aluminium, vent hole, 120°C

Threaded plugs GN 741 are fitted with outside diameter d1 to suit screw holes with BSP threads to DIN 3852. The sealing ring is embedded in a radial recess on the flat side. This prevents the seal from being lost or squeezed out during tightening.