Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number E162-602-4SIR found under Tube Boiler Bent by Combustion Engineering Inc. The National Stock Number assigned to this part is 4710003779792, and the Federal Supply Class is 4710 Pipe Tube And Rigid Tubing. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like E162-602-4SIR.