Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number WW0030142 09 found under Seal Ringmetal by Intertractor America Corp. The National Stock Number assigned to this part is 5330016779085, 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 WW0030142 09.