Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number RW4 820118 5 found under Gasket by David Brown Special Products Ltd. The National Stock Number assigned to this part is 5330011944720, 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 RW4 820118 5.