Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number JJN121 found under Gasket by D R S Power And Control Technologies. The National Stock Number assigned to this part is 5330010381573, 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 JJN121.