Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number C2-021822-003 found under Seal Plain by Western Sky Industries Inc. The National Stock Number assigned to this part is 5330013253455, 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 C2-021822-003.