Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 9S8012 found under Seal Ring Metal by Holt Bros. The National Stock Number assigned to this part is 5330005520241, 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 9S8012.