Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 309777 found under Felt Mechanical Preformed by Outboard Marine Corp. The National Stock Number assigned to this part is 5330007589828, 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 309777.