Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number TK4000J found under Refrigerator Prefabricated by Mid South Industries Inc. The National Stock Number assigned to this part is 4110005745789, 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 TK4000J.