Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number BACB30US4K14X found under Bolt Shear by Blanc Aero Industries. The National Stock Number assigned to this part is 5306016516439, 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 BACB30US4K14X.