Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number TU-375 found under Insulation Sleeving by Grimes Aerospace Company. The National Stock Number assigned to this part is 5970008457244, 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 TU-375.