Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AV216-000 ITEM 34 found under Seat Valve by Automatic Switch Company. The National Stock Number assigned to this part is 4810011386712, 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 AV216-000 ITEM 34.