Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1RE-SS-HD 220 50 1 found under Refrigerator Mechanical Food by National Refrigeration And Air. The National Stock Number assigned to this part is 4110010078152, 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 1RE-SS-HD 220 50 1.