Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number BACB30LH3U3 found under Screw Close Tolerance by The Boeing Company. The National Stock Number assigned to this part is 5305016696757, and the Federal Supply Class is 5305 Screws. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like BACB30LH3U3.