Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 12729-485 found under Gasket by Hyde Corp. The National Stock Number assigned to this part is 5330001978159, 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 12729-485.