Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 40B207011P64 found under Gasket by Wellman Thermal Systems Corp. The National Stock Number assigned to this part is 5330013539411, and the Federal Supply Class is 5330 Packing And Gasket Materials. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 40B207011P64.