National 447801 is a multi-purpose seal in the National Seals line, listed for industrial seal use. Its listed size is 4 x 4.506 x 0.25. This is a genuine National part from Pro Gear and Transmission, sold each.FeaturesNational multi-purpose seal, part number 447801Listed size 4 x 4.506 x 0.25Listed for industrial seal useSold eachA genuine National part from Pro Gear and TransmissionTech SpecsBrand: NationalPart number: 447801Type: Multi-Purpose SealListed size: 4 x 4.506 x 0.25Unit of measure: Each