Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 27.3906.0404 found under Strap Tiedown Electrical Compone by Selex Communications Inc. The National Stock Number assigned to this part is 5975001113208, and the Federal Supply Class is 5975 Electrical Hardware And Supplies. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 27.3906.0404.