Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number US1-3B KK20960 found under Refrigerator Prefabricated by Kessel Kitchen Equipment Co Inc. The National Stock Number assigned to this part is 4110001485868, and the Federal Supply Class is 4110 Refrigeration Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like US1-3B KK20960.