Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number D 438 0029 found under Insulation Sleeving Electrical Special Purpose by Tyco Electronics Corporation. The National Stock Number assigned to this part is 5970012882965, and the Federal Supply Class is 5970 Electrical Insulators And Insulating Materials. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like D 438 0029.