Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A-A-50042 found under Oven Baking And Roasting Deck by Federal Commercial Item Description. The National Stock Number assigned to this part is 7310003162299, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like A-A-50042.