Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number CS215 found under Gasket by Deluxe Products Div Walker Mfg Co. The National Stock Number assigned to this part is 5330003621055, 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 CS215.