Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number PMI-MCTWS-700 found under Titanium Welding Kit by Power Mfg Co Inc. The National Stock Number assigned to this part is 3431015050888, 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 PMI-MCTWS-700.