Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number XR11271 found under Seal Ring Metal by Eaton Corporation. The National Stock Number assigned to this part is 5330005105149, 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 XR11271.