Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number K663100068 found under Tool by F E L Corp. The National Stock Number assigned to this part is 5120000456906, 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 K663100068.