Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AAG1004-4IN found under Valve Gate by Fruehauf Corp. The National Stock Number assigned to this part is 4820001948860, 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 AAG1004-4IN.