Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number R3580X00022 found under Parts Kit Valve Pos by Fisher Controls Co Inc. The National Stock Number assigned to this part is 4820012218904, 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 R3580X00022.