Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number BACB30UU10 20 found under Bolt Close Tolerance by The Boeing Company. The National Stock Number assigned to this part is 5306013386790, and the Federal Supply Class is 5306 Bolts. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like BACB30UU10 20.