Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number BACB30US20-75 found under Bolt Shear by Fleet Mfg Co Inc. The National Stock Number assigned to this part is 5306014530015, 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 BACB30US20-75.