Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number BACB30LJ4U7 found under Bolt Close Tolerance by Federal Industries Inc. The National Stock Number assigned to this part is 5306010404708, 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 BACB30LJ4U7.