Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 5K7-48 found under Nozzle Welding by Metco Inc. The National Stock Number assigned to this part is 3433013341034, and the Federal Supply Class is 3433 Gas Welding Heat Cutting And Metalizing Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 5K7-48.