Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number EA47221-13 found under Bearing Roller Needle by O T S I. The National Stock Number assigned to this part is 3110011379059, and the Federal Supply Class is 3110 Bearings Antifriction Unmounted. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like EA47221-13.