Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number K1R1N20 found under Capacitor Fixed Electrolytic by Union Carbide Corp. The National Stock Number assigned to this part is 5910000606304, and the Federal Supply Class is 5910 Capacitors. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like K1R1N20.