Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number BGS20M230AT11 found under Retainer Packing by Trelleborg Sealing Solutions Us Inc. The National Stock Number assigned to this part is 5330016443068, 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 BGS20M230AT11.