Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 400-00063 found under Valve Gate by Barber Industries Ltd. The National Stock Number assigned to this part is 4810219215879, 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 400-00063.