Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number H33 4009 52 found under Seal Plain by Gw Technologies Pty Ltd. The National Stock Number assigned to this part is 5330994341933, 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 H33 4009 52.