Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number BC228 found under Hoe Mortar Mixing by Kraft Tool Co. The National Stock Number assigned to this part is 5120002432788, and the Federal Supply Class is 5120 Hand Tools Nonedged Nonpowered. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like BC228.