Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number N217 found under Valve Regulating System Pressure by Ingersoll Rand Corp. The National Stock Number assigned to this part is 4820002130003, 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 N217.