National 455004 is a multi-purpose seal in the National Seals line, listed for industrial seal use. Its listed size is 2.750 x 3.751 x 0.500. This is a genuine National part from Pro Gear and Transmission, sold each.FeaturesNational multi-purpose seal, part number 455004Listed size 2.750 x 3.751 x 0.500Listed for industrial seal useSold eachA genuine National part from Pro Gear and TransmissionTech SpecsBrand: NationalPart number: 455004Type: Multi-Purpose SealListed size: 2.750 x 3.751 x 0.500Unit of measure: Each