Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number P-579-84 found under Frame Window Metal by Genrad Inc. The National Stock Number assigned to this part is 5670000657290, 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 P-579-84.