Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AMRVAB10 2-31 5 found under Valve Flow Control by Wandfluh Ag Hydraulikelektronik. The National Stock Number assigned to this part is 4820171126992, and the Federal Supply Class is 4820 Valves Nonpowered. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like AMRVAB10 2-31 5.