Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number N243 12 021 found under Strap Tiedown Electrical Compone by Nicolas Industrie. The National Stock Number assigned to this part is 5975008425273, 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 N243 12 021.