Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number KM-131 found under Hammer Hand by K Machine And Tool Inc. The National Stock Number assigned to this part is 5120010366319, 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 KM-131.