Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number BAC B30MR4A11 found under Bolt Shear by The Boeing Company. The National Stock Number assigned to this part is 5306016003089, 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 BAC B30MR4A11.