Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 2131 found under Blade Wire Stripper by Ace Electronics Inc. The National Stock Number assigned to this part is 5110014387874, 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 2131.