410301 seal Fits NationalOne New Aftermarket Replacement Oil Seal National 410301 This aftermarket replacement radial shaft oil seal replaces National (Timken Federal Mogul) part number 410301. National brand oil seals are precision engineered radial shaft seals designed to retain lubricants and exclude contaminants where rotating shafts pass through housings in heavy equipment, industrial machinery, and commercial vehicles. This seal is sourced from the National 41 series