Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number V3PWDI40 found under by Astro Arc Co. The National Stock Number assigned to this part is 3431004210543, and the Federal Supply Class is 3431 Electric Arc Welding Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like V3PWDI40.