National 418309 is a multi-purpose seal in the National Seals line, listed for industrial seal use. Its listed size is 2.625 x 3.756 x 0.438. This is a genuine National part from Pro Gear and Transmission, sold each.FeaturesNational multi-purpose seal, part number 418309Listed size 2.625 x 3.756 x 0.438Listed for industrial seal useSold eachA genuine National part from Pro Gear and TransmissionTech SpecsBrand: NationalPart number: 418309Type: Multi-Purpose SealListed size: 2.625 x 3.756 x 0.438Unit of measure: Each