Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AK200UEM found under Valve Gate by Zidell Valve Corp. The National Stock Number assigned to this part is 4820011463093, 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 AK200UEM.