Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 4D0002-03-040 found under Bushing Sleeve by Boeing Company The. The National Stock Number assigned to this part is 3120013885149, 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 4D0002-03-040.