Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 90916 found under Torch Welding Gas Shielded Arc by S J Smith Co Inc. The National Stock Number assigned to this part is 3431014441256, 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 90916.