Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 806-476 found under Valve Globe by Hd Hudson Manufacturing Company. The National Stock Number assigned to this part is 4820004813493, 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 806-476.