Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 8R1021-N-Z found under by Copal Electronic Co Ltd. The National Stock Number assigned to this part is 5930012457587, and the Federal Supply Class is 5930 Switches. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 8R1021-N-Z.