Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number D2-406-0045 REV E ITEM 4 found under Bearing Unit Roller by Superiorlidgerwoodmundy Corpor. The National Stock Number assigned to this part is 3130016257275, and the Federal Supply Class is 3130 Bearings Mounted. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like D2-406-0045 REV E ITEM 4.