679 Seal housing, for Read Screen-All, model RD-40 and the Nordberg CV-40679 Seal housing used on the RD 40 and Nordberg CV 40 power screens. This part was used on the motor and non motor side. Please check your parts book to ensure you are ordering the correct part by the part number. If in any doubt provide us the model and serial number of your machine and we'll cross check the part for you. That process could take a few days as this information comes from books and is not in digital form. This will be item number 10 in