Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 3820604 found under Valve Linear Direct by I T E Imperial Corp Subsidiary Of. The National Stock Number assigned to this part is 4820011302406, 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 3820604.