Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1629706 PT N0 89E found under Seal Ring Metal by A W Chesterton Company. The National Stock Number assigned to this part is 5330014501143, 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 1629706 PT N0 89E.