Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SM1789-01-37 found under Sleeving Textile El by Ge Aviation Systems Llc. The National Stock Number assigned to this part is 5970013635419, 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 SM1789-01-37.