Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 131-863-8819 found under Retainer Packing by Ge Aviation Systems Llc. The National Stock Number assigned to this part is 5330013203473, 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 131-863-8819.