Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number GF815G40 found under Fuse Cartridge by Rantec Microwave Systems Corp. The National Stock Number assigned to this part is 5920010067761, and the Federal Supply Class is 5920 Fuses Arresters Absorbers And Protector. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like GF815G40.