Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number BH20 found under Hammer Hand by Nmtcinc. The National Stock Number assigned to this part is 5120013684102, 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 BH20.