Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number BSB11-20A8 found under Packing With Retain by Victoria Technologies. The National Stock Number assigned to this part is 5330142752985, 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 BSB11-20A8.