Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 48223E found under Bearing Plain Sleev by Electric Boat Corp. The National Stock Number assigned to this part is 3120003827927, and the Federal Supply Class is 3120 Bearings Plain Unmounted. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 48223E.