Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number D9851-13-05 found under Stem Deburring Tool Tube by Permaswage. The National Stock Number assigned to this part is 5110000060491, and the Federal Supply Class is 5110 Hand Tools Edged Nonpowered. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like D9851-13-05.