Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 47K74299N found under Air Conditioner by Sears Roebuck And Co. The National Stock Number assigned to this part is 4120010037817, and the Federal Supply Class is 4120 Air Conditioning Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 47K74299N.