Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number H5321424B found under Tube Assembly Metal by Industrial Service And Supply Inc. The National Stock Number assigned to this part is 4710011965522, 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 H5321424B.