Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number NON 20 found under Fuse Cartridge by Cooper Industries Inc. The National Stock Number assigned to this part is 5920014493965, 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 NON 20.