Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 5456B found under Tube Assembly Metal by Curtiss Wright Electro Mechanical Corporation Div Steam And Air Solutions. The National Stock Number assigned to this part is 4710006596638, 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 5456B.