Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number ZZAUT004B1H found under Valve Check by Man Diesel And Turbo France. The National Stock Number assigned to this part is 4820015477227, 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 ZZAUT004B1H.