Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 834-0168 found under Electron Tube by Air Co Welding Products. The National Stock Number assigned to this part is 5960002283786, and the Federal Supply Class is 5960 Electron Tubes And Associated Hardware. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 834-0168.