Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AW01ARN27 found under Valve Check by Critical Solutions International In. The National Stock Number assigned to this part is 4820015841927, 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 AW01ARN27.