Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number M80144 found under Roller Foot Valve by Rosenbauer International Ag. The National Stock Number assigned to this part is 4820015729268, 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 M80144.