Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SS22A405 found under Gasket by G E C Marconi Avionics Ltd. The National Stock Number assigned to this part is 5330999644038, 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 SS22A405.