Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number XM67399 found under Packing Preformed by General Dynamics Land Systems. The National Stock Number assigned to this part is 5330010111563, 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 XM67399.