Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number HV204054 found under Ventilator Air Circulating by Evans Tempcon Inc. The National Stock Number assigned to this part is 5670002248039, and the Federal Supply Class is 5670 Building Components Prefabricated. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like HV204054.