1425 Seal, Shaft seal for Read Screen-All Screen, model RD-90. This is the “notched type” seal.1425 Seal, Shaft seal, used on the RD 90 power screen. This part is used on the motor and non motor side. This is a special seal that has been modified as per Read Screen All specs to insure grease is directed to the shaft bearing area and seal areas. This will be item number 10 from the Read drawing. 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