Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 0431-0133 found under Gasket by Vaf Instruments Bv. The National Stock Number assigned to this part is 5330171060739, 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 0431-0133.