Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 10477AAA9 found under Disk Valve by Laurence R G Co Inc. The National Stock Number assigned to this part is 4810012574989, and the Federal Supply Class is 4810 Valves Powered. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 10477AAA9.